Home / 2,287.10-3,432.68-1,177.28

Finding the Fourth Proportional to 2,287.10, 3,432.68 and 1,177.28

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Solution

The fourth proportional to 2,287.10, 3,432.68 and 1,177.28 is: 1,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.10 : 3,432.68 = 1,177.28 : x
  2. Step 2: Convert to fraction form
    2,287.10/3,432.68 = 1,177.28/x
  3. Step 3: Cross multiply
    2,287.10x = 3,432.68 × 1,177.28
  4. Step 4: Simplify right side
    2,287.10x = 4,041,219.75
  5. Step 5: Solve for x
    x = 4,041,219.75/2,287.10
  6. Step 6: Final answer
    x = 1,766.96

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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.