Home / 3,713.58-5,565.51-1,521.72

Finding the Fourth Proportional to 3,713.58, 5,565.51 and 1,521.72

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Solution

The fourth proportional to 3,713.58, 5,565.51 and 1,521.72 is: 2,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.58 : 5,565.51 = 1,521.72 : x
  2. Step 2: Convert to fraction form
    3,713.58/5,565.51 = 1,521.72/x
  3. Step 3: Cross multiply
    3,713.58x = 5,565.51 × 1,521.72
  4. Step 4: Simplify right side
    3,713.58x = 8,469,147.88
  5. Step 5: Solve for x
    x = 8,469,147.88/3,713.58
  6. Step 6: Final answer
    x = 2,280.59

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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.