Home / 1,487.03-2,229.69-610.13

Finding the Fourth Proportional to 1,487.03, 2,229.69 and 610.13

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Solution

The fourth proportional to 1,487.03, 2,229.69 and 610.13 is: 914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.03 : 2,229.69 = 610.13 : x
  2. Step 2: Convert to fraction form
    1,487.03/2,229.69 = 610.13/x
  3. Step 3: Cross multiply
    1,487.03x = 2,229.69 × 610.13
  4. Step 4: Simplify right side
    1,487.03x = 1,360,408.62
  5. Step 5: Solve for x
    x = 1,360,408.62/1,487.03
  6. Step 6: Final answer
    x = 914.85

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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.