Home / 3,940.52-5,441.22-2,702.12

Finding the Fourth Proportional to 3,940.52, 5,441.22 and 2,702.12

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Solution

The fourth proportional to 3,940.52, 5,441.22 and 2,702.12 is: 3,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.52 : 5,441.22 = 2,702.12 : x
  2. Step 2: Convert to fraction form
    3,940.52/5,441.22 = 2,702.12/x
  3. Step 3: Cross multiply
    3,940.52x = 5,441.22 × 2,702.12
  4. Step 4: Simplify right side
    3,940.52x = 14,702,829.39
  5. Step 5: Solve for x
    x = 14,702,829.39/3,940.52
  6. Step 6: Final answer
    x = 3,731.19

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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.