Home / 1,508.31-2,261.94-468.18

Finding the Fourth Proportional to 1,508.31, 2,261.94 and 468.18

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Solution

The fourth proportional to 1,508.31, 2,261.94 and 468.18 is: 702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.31 : 2,261.94 = 468.18 : x
  2. Step 2: Convert to fraction form
    1,508.31/2,261.94 = 468.18/x
  3. Step 3: Cross multiply
    1,508.31x = 2,261.94 × 468.18
  4. Step 4: Simplify right side
    1,508.31x = 1,058,995.07
  5. Step 5: Solve for x
    x = 1,058,995.07/1,508.31
  6. Step 6: Final answer
    x = 702.11

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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.