Home / 3,909.26-5,862.95-1,135.22

Finding the Fourth Proportional to 3,909.26, 5,862.95 and 1,135.22

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Solution

The fourth proportional to 3,909.26, 5,862.95 and 1,135.22 is: 1,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.26 : 5,862.95 = 1,135.22 : x
  2. Step 2: Convert to fraction form
    3,909.26/5,862.95 = 1,135.22/x
  3. Step 3: Cross multiply
    3,909.26x = 5,862.95 × 1,135.22
  4. Step 4: Simplify right side
    3,909.26x = 6,655,707.37
  5. Step 5: Solve for x
    x = 6,655,707.37/3,909.26
  6. Step 6: Final answer
    x = 1,702.55

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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.