Home / 3,713.20-5,565.30-2,150.20

Finding the Fourth Proportional to 3,713.20, 5,565.30 and 2,150.20

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Solution

The fourth proportional to 3,713.20, 5,565.30 and 2,150.20 is: 3,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.20 : 5,565.30 = 2,150.20 : x
  2. Step 2: Convert to fraction form
    3,713.20/5,565.30 = 2,150.20/x
  3. Step 3: Cross multiply
    3,713.20x = 5,565.30 × 2,150.20
  4. Step 4: Simplify right side
    3,713.20x = 11,966,508.06
  5. Step 5: Solve for x
    x = 11,966,508.06/3,713.20
  6. Step 6: Final answer
    x = 3,222.69

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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.