Home / 2,272.43-3,133.49-1,432.15

Finding the Fourth Proportional to 2,272.43, 3,133.49 and 1,432.15

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Solution

The fourth proportional to 2,272.43, 3,133.49 and 1,432.15 is: 1,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.43 : 3,133.49 = 1,432.15 : x
  2. Step 2: Convert to fraction form
    2,272.43/3,133.49 = 1,432.15/x
  3. Step 3: Cross multiply
    2,272.43x = 3,133.49 × 1,432.15
  4. Step 4: Simplify right side
    2,272.43x = 4,487,612.71
  5. Step 5: Solve for x
    x = 4,487,612.71/2,272.43
  6. Step 6: Final answer
    x = 1,974.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.