Home / 2,551.51-3,827.30-702.61

Finding the Fourth Proportional to 2,551.51, 3,827.30 and 702.61

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Solution

The fourth proportional to 2,551.51, 3,827.30 and 702.61 is: 1,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.51 : 3,827.30 = 702.61 : x
  2. Step 2: Convert to fraction form
    2,551.51/3,827.30 = 702.61/x
  3. Step 3: Cross multiply
    2,551.51x = 3,827.30 × 702.61
  4. Step 4: Simplify right side
    2,551.51x = 2,689,099.25
  5. Step 5: Solve for x
    x = 2,689,099.25/2,551.51
  6. Step 6: Final answer
    x = 1,053.92

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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.