Home / 2,331.11-3,216.92-1,283.18

Finding the Fourth Proportional to 2,331.11, 3,216.92 and 1,283.18

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Solution

The fourth proportional to 2,331.11, 3,216.92 and 1,283.18 is: 1,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.11 : 3,216.92 = 1,283.18 : x
  2. Step 2: Convert to fraction form
    2,331.11/3,216.92 = 1,283.18/x
  3. Step 3: Cross multiply
    2,331.11x = 3,216.92 × 1,283.18
  4. Step 4: Simplify right side
    2,331.11x = 4,127,864.91
  5. Step 5: Solve for x
    x = 4,127,864.91/2,331.11
  6. Step 6: Final answer
    x = 1,770.78

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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.