Home / 3,909.33-5,866.36-1,569.85

Finding the Fourth Proportional to 3,909.33, 5,866.36 and 1,569.85

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Solution

The fourth proportional to 3,909.33, 5,866.36 and 1,569.85 is: 2,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.33 : 5,866.36 = 1,569.85 : x
  2. Step 2: Convert to fraction form
    3,909.33/5,866.36 = 1,569.85/x
  3. Step 3: Cross multiply
    3,909.33x = 5,866.36 × 1,569.85
  4. Step 4: Simplify right side
    3,909.33x = 9,209,286.66
  5. Step 5: Solve for x
    x = 9,209,286.66/3,909.33
  6. Step 6: Final answer
    x = 2,355.72

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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.