Home / 3,432.12-4,705.76-3,399.32

Finding the Fourth Proportional to 3,432.12, 4,705.76 and 3,399.32

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Solution

The fourth proportional to 3,432.12, 4,705.76 and 3,399.32 is: 4,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.12 : 4,705.76 = 3,399.32 : x
  2. Step 2: Convert to fraction form
    3,432.12/4,705.76 = 3,399.32/x
  3. Step 3: Cross multiply
    3,432.12x = 4,705.76 × 3,399.32
  4. Step 4: Simplify right side
    3,432.12x = 15,996,343.56
  5. Step 5: Solve for x
    x = 15,996,343.56/3,432.12
  6. Step 6: Final answer
    x = 4,660.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.