Home / 3,948.23-5,445.06-2,691.32

Finding the Fourth Proportional to 3,948.23, 5,445.06 and 2,691.32

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Solution

The fourth proportional to 3,948.23, 5,445.06 and 2,691.32 is: 3,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.23 : 5,445.06 = 2,691.32 : x
  2. Step 2: Convert to fraction form
    3,948.23/5,445.06 = 2,691.32/x
  3. Step 3: Cross multiply
    3,948.23x = 5,445.06 × 2,691.32
  4. Step 4: Simplify right side
    3,948.23x = 14,654,371.65
  5. Step 5: Solve for x
    x = 14,654,371.65/3,948.23
  6. Step 6: Final answer
    x = 3,711.64

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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.