Home / 2,650.44-3,975.66-702.64

Finding the Fourth Proportional to 2,650.44, 3,975.66 and 702.64

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Solution

The fourth proportional to 2,650.44, 3,975.66 and 702.64 is: 1,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.44 : 3,975.66 = 702.64 : x
  2. Step 2: Convert to fraction form
    2,650.44/3,975.66 = 702.64/x
  3. Step 3: Cross multiply
    2,650.44x = 3,975.66 × 702.64
  4. Step 4: Simplify right side
    2,650.44x = 2,793,457.74
  5. Step 5: Solve for x
    x = 2,793,457.74/2,650.44
  6. Step 6: Final answer
    x = 1,053.96

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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.