Home / 3,616.31-5,426.36-1,972.55

Finding the Fourth Proportional to 3,616.31, 5,426.36 and 1,972.55

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Solution

The fourth proportional to 3,616.31, 5,426.36 and 1,972.55 is: 2,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.31 : 5,426.36 = 1,972.55 : x
  2. Step 2: Convert to fraction form
    3,616.31/5,426.36 = 1,972.55/x
  3. Step 3: Cross multiply
    3,616.31x = 5,426.36 × 1,972.55
  4. Step 4: Simplify right side
    3,616.31x = 10,703,766.42
  5. Step 5: Solve for x
    x = 10,703,766.42/3,616.31
  6. Step 6: Final answer
    x = 2,959.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.