Home / 3,838.59-5,294.57-3,525.12

Finding the Fourth Proportional to 3,838.59, 5,294.57 and 3,525.12

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Solution

The fourth proportional to 3,838.59, 5,294.57 and 3,525.12 is: 4,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.59 : 5,294.57 = 3,525.12 : x
  2. Step 2: Convert to fraction form
    3,838.59/5,294.57 = 3,525.12/x
  3. Step 3: Cross multiply
    3,838.59x = 5,294.57 × 3,525.12
  4. Step 4: Simplify right side
    3,838.59x = 18,663,976.97
  5. Step 5: Solve for x
    x = 18,663,976.97/3,838.59
  6. Step 6: Final answer
    x = 4,862.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.