Home / 2,551.65-3,827.35-702.96

Finding the Fourth Proportional to 2,551.65, 3,827.35 and 702.96

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Solution

The fourth proportional to 2,551.65, 3,827.35 and 702.96 is: 1,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.65 : 3,827.35 = 702.96 : x
  2. Step 2: Convert to fraction form
    2,551.65/3,827.35 = 702.96/x
  3. Step 3: Cross multiply
    2,551.65x = 3,827.35 × 702.96
  4. Step 4: Simplify right side
    2,551.65x = 2,690,473.96
  5. Step 5: Solve for x
    x = 2,690,473.96/2,551.65
  6. Step 6: Final answer
    x = 1,054.41

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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.