Home / 2,428.18-3,642.57-867.97

Finding the Fourth Proportional to 2,428.18, 3,642.57 and 867.97

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Solution

The fourth proportional to 2,428.18, 3,642.57 and 867.97 is: 1,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.18 : 3,642.57 = 867.97 : x
  2. Step 2: Convert to fraction form
    2,428.18/3,642.57 = 867.97/x
  3. Step 3: Cross multiply
    2,428.18x = 3,642.57 × 867.97
  4. Step 4: Simplify right side
    2,428.18x = 3,161,625.55
  5. Step 5: Solve for x
    x = 3,161,625.55/2,428.18
  6. Step 6: Final answer
    x = 1,302.06

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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.