Home / 3,709.15-5,565.78-1,519.42

Finding the Fourth Proportional to 3,709.15, 5,565.78 and 1,519.42

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Solution

The fourth proportional to 3,709.15, 5,565.78 and 1,519.42 is: 2,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.15 : 5,565.78 = 1,519.42 : x
  2. Step 2: Convert to fraction form
    3,709.15/5,565.78 = 1,519.42/x
  3. Step 3: Cross multiply
    3,709.15x = 5,565.78 × 1,519.42
  4. Step 4: Simplify right side
    3,709.15x = 8,456,722.02
  5. Step 5: Solve for x
    x = 8,456,722.02/3,709.15
  6. Step 6: Final answer
    x = 2,279.96

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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.