Home / 2,871.03-4,306.14-922.98

Finding the Fourth Proportional to 2,871.03, 4,306.14 and 922.98

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Solution

The fourth proportional to 2,871.03, 4,306.14 and 922.98 is: 1,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.03 : 4,306.14 = 922.98 : x
  2. Step 2: Convert to fraction form
    2,871.03/4,306.14 = 922.98/x
  3. Step 3: Cross multiply
    2,871.03x = 4,306.14 × 922.98
  4. Step 4: Simplify right side
    2,871.03x = 3,974,481.10
  5. Step 5: Solve for x
    x = 3,974,481.10/2,871.03
  6. Step 6: Final answer
    x = 1,384.34

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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.