Home / 3,943.52-5,437.32-2,791.52

Finding the Fourth Proportional to 3,943.52, 5,437.32 and 2,791.52

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Solution

The fourth proportional to 3,943.52, 5,437.32 and 2,791.52 is: 3,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.52 : 5,437.32 = 2,791.52 : x
  2. Step 2: Convert to fraction form
    3,943.52/5,437.32 = 2,791.52/x
  3. Step 3: Cross multiply
    3,943.52x = 5,437.32 × 2,791.52
  4. Step 4: Simplify right side
    3,943.52x = 15,178,387.53
  5. Step 5: Solve for x
    x = 15,178,387.53/3,943.52
  6. Step 6: Final answer
    x = 3,848.94

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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.