Home / 1,035.20-1,552.53-487.10

Finding the Fourth Proportional to 1,035.20, 1,552.53 and 487.10

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Solution

The fourth proportional to 1,035.20, 1,552.53 and 487.10 is: 730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.20 : 1,552.53 = 487.10 : x
  2. Step 2: Convert to fraction form
    1,035.20/1,552.53 = 487.10/x
  3. Step 3: Cross multiply
    1,035.20x = 1,552.53 × 487.10
  4. Step 4: Simplify right side
    1,035.20x = 756,237.36
  5. Step 5: Solve for x
    x = 756,237.36/1,035.20
  6. Step 6: Final answer
    x = 730.52

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Double scale
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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.