Home / 1,254.11-1,881.25-432.96

Finding the Fourth Proportional to 1,254.11, 1,881.25 and 432.96

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Solution

The fourth proportional to 1,254.11, 1,881.25 and 432.96 is: 649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.11 : 1,881.25 = 432.96 : x
  2. Step 2: Convert to fraction form
    1,254.11/1,881.25 = 432.96/x
  3. Step 3: Cross multiply
    1,254.11x = 1,881.25 × 432.96
  4. Step 4: Simplify right side
    1,254.11x = 814,506
  5. Step 5: Solve for x
    x = 814,506/1,254.11
  6. Step 6: Final answer
    x = 649.47

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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.