Home / 2,291.38-3,428.06-1,767.42

Finding the Fourth Proportional to 2,291.38, 3,428.06 and 1,767.42

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Solution

The fourth proportional to 2,291.38, 3,428.06 and 1,767.42 is: 2,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.38 : 3,428.06 = 1,767.42 : x
  2. Step 2: Convert to fraction form
    2,291.38/3,428.06 = 1,767.42/x
  3. Step 3: Cross multiply
    2,291.38x = 3,428.06 × 1,767.42
  4. Step 4: Simplify right side
    2,291.38x = 6,058,812.97
  5. Step 5: Solve for x
    x = 6,058,812.97/2,291.38
  6. Step 6: Final answer
    x = 2,644.18

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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.