Home / 3,709.10-5,565.69-1,519.35

Finding the Fourth Proportional to 3,709.10, 5,565.69 and 1,519.35

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Solution

The fourth proportional to 3,709.10, 5,565.69 and 1,519.35 is: 2,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.10 : 5,565.69 = 1,519.35 : x
  2. Step 2: Convert to fraction form
    3,709.10/5,565.69 = 1,519.35/x
  3. Step 3: Cross multiply
    3,709.10x = 5,565.69 × 1,519.35
  4. Step 4: Simplify right side
    3,709.10x = 8,456,231.10
  5. Step 5: Solve for x
    x = 8,456,231.10/3,709.10
  6. Step 6: Final answer
    x = 2,279.86

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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.