Home / 1,512.28-2,268.31-524.86

Finding the Fourth Proportional to 1,512.28, 2,268.31 and 524.86

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Solution

The fourth proportional to 1,512.28, 2,268.31 and 524.86 is: 787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.28 : 2,268.31 = 524.86 : x
  2. Step 2: Convert to fraction form
    1,512.28/2,268.31 = 524.86/x
  3. Step 3: Cross multiply
    1,512.28x = 2,268.31 × 524.86
  4. Step 4: Simplify right side
    1,512.28x = 1,190,545.19
  5. Step 5: Solve for x
    x = 1,190,545.19/1,512.28
  6. Step 6: Final answer
    x = 787.25

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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.