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Finding the Fourth Proportional to 2,144.48, 3,217.02 and 1,048.90

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Solution

The fourth proportional to 2,144.48, 3,217.02 and 1,048.90 is: 1,573.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.48 : 3,217.02 = 1,048.90 : x
  2. Step 2: Convert to fraction form
    2,144.48/3,217.02 = 1,048.90/x
  3. Step 3: Cross multiply
    2,144.48x = 3,217.02 × 1,048.90
  4. Step 4: Simplify right side
    2,144.48x = 3,374,326.33
  5. Step 5: Solve for x
    x = 3,374,326.33/2,144.48
  6. Step 6: Final answer
    x = 1,573.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,145.48, 3,218.52 and 1,049.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.