Home / 2,982-4,472.40-1,034.28

Finding the Fourth Proportional to 2,982, 4,472.40 and 1,034.28

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Solution

The fourth proportional to 2,982, 4,472.40 and 1,034.28 is: 1,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982 : 4,472.40 = 1,034.28 : x
  2. Step 2: Convert to fraction form
    2,982/4,472.40 = 1,034.28/x
  3. Step 3: Cross multiply
    2,982x = 4,472.40 × 1,034.28
  4. Step 4: Simplify right side
    2,982x = 4,625,713.87
  5. Step 5: Solve for x
    x = 4,625,713.87/2,982
  6. Step 6: Final answer
    x = 1,551.21

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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.