Home / 2,551.94-3,827.21-702.61

Finding the Fourth Proportional to 2,551.94, 3,827.21 and 702.61

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Solution

The fourth proportional to 2,551.94, 3,827.21 and 702.61 is: 1,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.94 : 3,827.21 = 702.61 : x
  2. Step 2: Convert to fraction form
    2,551.94/3,827.21 = 702.61/x
  3. Step 3: Cross multiply
    2,551.94x = 3,827.21 × 702.61
  4. Step 4: Simplify right side
    2,551.94x = 2,689,036.02
  5. Step 5: Solve for x
    x = 2,689,036.02/2,551.94
  6. Step 6: Final answer
    x = 1,053.72

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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.