Home / 3,909.31-5,863.66-1,569.22

Finding the Fourth Proportional to 3,909.31, 5,863.66 and 1,569.22

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Solution

The fourth proportional to 3,909.31, 5,863.66 and 1,569.22 is: 2,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.31 : 5,863.66 = 1,569.22 : x
  2. Step 2: Convert to fraction form
    3,909.31/5,863.66 = 1,569.22/x
  3. Step 3: Cross multiply
    3,909.31x = 5,863.66 × 1,569.22
  4. Step 4: Simplify right side
    3,909.31x = 9,201,353.96
  5. Step 5: Solve for x
    x = 9,201,353.96/3,909.31
  6. Step 6: Final answer
    x = 2,353.70

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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.