Home / 3,432.78-4,737.24-1,860.90

Finding the Fourth Proportional to 3,432.78, 4,737.24 and 1,860.90

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Solution

The fourth proportional to 3,432.78, 4,737.24 and 1,860.90 is: 2,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.78 : 4,737.24 = 1,860.90 : x
  2. Step 2: Convert to fraction form
    3,432.78/4,737.24 = 1,860.90/x
  3. Step 3: Cross multiply
    3,432.78x = 4,737.24 × 1,860.90
  4. Step 4: Simplify right side
    3,432.78x = 8,815,529.92
  5. Step 5: Solve for x
    x = 8,815,529.92/3,432.78
  6. Step 6: Final answer
    x = 2,568.04

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1.5x scale

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.