Home / 1,037.85-1,432.23-572.10

Finding the Fourth Proportional to 1,037.85, 1,432.23 and 572.10

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Solution

The fourth proportional to 1,037.85, 1,432.23 and 572.10 is: 789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.85 : 1,432.23 = 572.10 : x
  2. Step 2: Convert to fraction form
    1,037.85/1,432.23 = 572.10/x
  3. Step 3: Cross multiply
    1,037.85x = 1,432.23 × 572.10
  4. Step 4: Simplify right side
    1,037.85x = 819,378.78
  5. Step 5: Solve for x
    x = 819,378.78/1,037.85
  6. Step 6: Final answer
    x = 789.50

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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.