Home / 2,551.14-3,826.89-702.39

Finding the Fourth Proportional to 2,551.14, 3,826.89 and 702.39

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Solution

The fourth proportional to 2,551.14, 3,826.89 and 702.39 is: 1,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.14 : 3,826.89 = 702.39 : x
  2. Step 2: Convert to fraction form
    2,551.14/3,826.89 = 702.39/x
  3. Step 3: Cross multiply
    2,551.14x = 3,826.89 × 702.39
  4. Step 4: Simplify right side
    2,551.14x = 2,687,969.27
  5. Step 5: Solve for x
    x = 2,687,969.27/2,551.14
  6. Step 6: Final answer
    x = 1,053.63

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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.