Home / 3,433.61-5,138.10-2,972.97

Finding the Fourth Proportional to 3,433.61, 5,138.10 and 2,972.97

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Solution

The fourth proportional to 3,433.61, 5,138.10 and 2,972.97 is: 4,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.61 : 5,138.10 = 2,972.97 : x
  2. Step 2: Convert to fraction form
    3,433.61/5,138.10 = 2,972.97/x
  3. Step 3: Cross multiply
    3,433.61x = 5,138.10 × 2,972.97
  4. Step 4: Simplify right side
    3,433.61x = 15,275,417.16
  5. Step 5: Solve for x
    x = 15,275,417.16/3,433.61
  6. Step 6: Final answer
    x = 4,448.79

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1.5x scale

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.