Home / 2,817.87-4,229.37-1,432.17

Finding the Fourth Proportional to 2,817.87, 4,229.37 and 1,432.17

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Solution

The fourth proportional to 2,817.87, 4,229.37 and 1,432.17 is: 2,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.87 : 4,229.37 = 1,432.17 : x
  2. Step 2: Convert to fraction form
    2,817.87/4,229.37 = 1,432.17/x
  3. Step 3: Cross multiply
    2,817.87x = 4,229.37 × 1,432.17
  4. Step 4: Simplify right side
    2,817.87x = 6,057,176.83
  5. Step 5: Solve for x
    x = 6,057,176.83/2,817.87
  6. Step 6: Final answer
    x = 2,149.56

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1.5x scale

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.