Home / 1,432.25-2,144.30-910.95

Finding the Fourth Proportional to 1,432.25, 2,144.30 and 910.95

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Solution

The fourth proportional to 1,432.25, 2,144.30 and 910.95 is: 1,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.25 : 2,144.30 = 910.95 : x
  2. Step 2: Convert to fraction form
    1,432.25/2,144.30 = 910.95/x
  3. Step 3: Cross multiply
    1,432.25x = 2,144.30 × 910.95
  4. Step 4: Simplify right side
    1,432.25x = 1,953,345.53
  5. Step 5: Solve for x
    x = 1,953,345.53/1,432.25
  6. Step 6: Final answer
    x = 1,363.83

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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.