Home / 3,943.52-5,442.04-2,175.16

Finding the Fourth Proportional to 3,943.52, 5,442.04 and 2,175.16

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Solution

The fourth proportional to 3,943.52, 5,442.04 and 2,175.16 is: 3,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.52 : 5,442.04 = 2,175.16 : x
  2. Step 2: Convert to fraction form
    3,943.52/5,442.04 = 2,175.16/x
  3. Step 3: Cross multiply
    3,943.52x = 5,442.04 × 2,175.16
  4. Step 4: Simplify right side
    3,943.52x = 11,837,307.73
  5. Step 5: Solve for x
    x = 11,837,307.73/3,943.52
  6. Step 6: Final answer
    x = 3,001.71

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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.