Home / 1,501.47-2,072.45-1,203.18

Finding the Fourth Proportional to 1,501.47, 2,072.45 and 1,203.18

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Solution

The fourth proportional to 1,501.47, 2,072.45 and 1,203.18 is: 1,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.47 : 2,072.45 = 1,203.18 : x
  2. Step 2: Convert to fraction form
    1,501.47/2,072.45 = 1,203.18/x
  3. Step 3: Cross multiply
    1,501.47x = 2,072.45 × 1,203.18
  4. Step 4: Simplify right side
    1,501.47x = 2,493,524.38
  5. Step 5: Solve for x
    x = 2,493,524.38/1,501.47
  6. Step 6: Final answer
    x = 1,660.72

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,502.47, 2,073.83 and 1,204.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.