Home / 3,909.16-5,859.79-1,442.26

Finding the Fourth Proportional to 3,909.16, 5,859.79 and 1,442.26

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Solution

The fourth proportional to 3,909.16, 5,859.79 and 1,442.26 is: 2,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.16 : 5,859.79 = 1,442.26 : x
  2. Step 2: Convert to fraction form
    3,909.16/5,859.79 = 1,442.26/x
  3. Step 3: Cross multiply
    3,909.16x = 5,859.79 × 1,442.26
  4. Step 4: Simplify right side
    3,909.16x = 8,451,319.60
  5. Step 5: Solve for x
    x = 8,451,319.60/3,909.16
  6. Step 6: Final answer
    x = 2,161.93

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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.