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Finding the Fourth Proportional to 1,349.46, 2,024.45 and 424.95

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Solution

The fourth proportional to 1,349.46, 2,024.45 and 424.95 is: 637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.46 : 2,024.45 = 424.95 : x
  2. Step 2: Convert to fraction form
    1,349.46/2,024.45 = 424.95/x
  3. Step 3: Cross multiply
    1,349.46x = 2,024.45 × 424.95
  4. Step 4: Simplify right side
    1,349.46x = 860,287.90
  5. Step 5: Solve for x
    x = 860,287.90/1,349.46
  6. Step 6: Final answer
    x = 637.51

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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.