Home / 2,650.41-3,975.84-702.59

Finding the Fourth Proportional to 2,650.41, 3,975.84 and 702.59

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Solution

The fourth proportional to 2,650.41, 3,975.84 and 702.59 is: 1,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.41 : 3,975.84 = 702.59 : x
  2. Step 2: Convert to fraction form
    2,650.41/3,975.84 = 702.59/x
  3. Step 3: Cross multiply
    2,650.41x = 3,975.84 × 702.59
  4. Step 4: Simplify right side
    2,650.41x = 2,793,385.43
  5. Step 5: Solve for x
    x = 2,793,385.43/2,650.41
  6. Step 6: Final answer
    x = 1,053.94

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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.