Home / 3,432.28-5,155.55-2,774.90

Finding the Fourth Proportional to 3,432.28, 5,155.55 and 2,774.90

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Solution

The fourth proportional to 3,432.28, 5,155.55 and 2,774.90 is: 4,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.28 : 5,155.55 = 2,774.90 : x
  2. Step 2: Convert to fraction form
    3,432.28/5,155.55 = 2,774.90/x
  3. Step 3: Cross multiply
    3,432.28x = 5,155.55 × 2,774.90
  4. Step 4: Simplify right side
    3,432.28x = 14,306,096.04
  5. Step 5: Solve for x
    x = 14,306,096.04/3,432.28
  6. Step 6: Final answer
    x = 4,168.11

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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.