Home / 3,342.40-5,013.68-3,186.64

Finding the Fourth Proportional to 3,342.40, 5,013.68 and 3,186.64

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Solution

The fourth proportional to 3,342.40, 5,013.68 and 3,186.64 is: 4,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.40 : 5,013.68 = 3,186.64 : x
  2. Step 2: Convert to fraction form
    3,342.40/5,013.68 = 3,186.64/x
  3. Step 3: Cross multiply
    3,342.40x = 5,013.68 × 3,186.64
  4. Step 4: Simplify right side
    3,342.40x = 15,976,793.24
  5. Step 5: Solve for x
    x = 15,976,793.24/3,342.40
  6. Step 6: Final answer
    x = 4,780.04

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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.