Home / 3,909.15-5,859.90-1,568.52

Finding the Fourth Proportional to 3,909.15, 5,859.90 and 1,568.52

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Solution

The fourth proportional to 3,909.15, 5,859.90 and 1,568.52 is: 2,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.15 : 5,859.90 = 1,568.52 : x
  2. Step 2: Convert to fraction form
    3,909.15/5,859.90 = 1,568.52/x
  3. Step 3: Cross multiply
    3,909.15x = 5,859.90 × 1,568.52
  4. Step 4: Simplify right side
    3,909.15x = 9,191,370.35
  5. Step 5: Solve for x
    x = 9,191,370.35/3,909.15
  6. Step 6: Final answer
    x = 2,351.25

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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.