Home / 3,432.63-4,737.12-2,105.55

Finding the Fourth Proportional to 3,432.63, 4,737.12 and 2,105.55

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Solution

The fourth proportional to 3,432.63, 4,737.12 and 2,105.55 is: 2,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.63 : 4,737.12 = 2,105.55 : x
  2. Step 2: Convert to fraction form
    3,432.63/4,737.12 = 2,105.55/x
  3. Step 3: Cross multiply
    3,432.63x = 4,737.12 × 2,105.55
  4. Step 4: Simplify right side
    3,432.63x = 9,974,243.02
  5. Step 5: Solve for x
    x = 9,974,243.02/3,432.63
  6. Step 6: Final answer
    x = 2,905.71

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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.