Home / 1,419.48-2,129.22-1,237.01

Finding the Fourth Proportional to 1,419.48, 2,129.22 and 1,237.01

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Solution

The fourth proportional to 1,419.48, 2,129.22 and 1,237.01 is: 1,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.48 : 2,129.22 = 1,237.01 : x
  2. Step 2: Convert to fraction form
    1,419.48/2,129.22 = 1,237.01/x
  3. Step 3: Cross multiply
    1,419.48x = 2,129.22 × 1,237.01
  4. Step 4: Simplify right side
    1,419.48x = 2,633,855.79
  5. Step 5: Solve for x
    x = 2,633,855.79/1,419.48
  6. Step 6: Final answer
    x = 1,855.51

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,420.48, 2,130.72 and 1,238.01
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.