Home / 2,650.03-3,975.35-702.38

Finding the Fourth Proportional to 2,650.03, 3,975.35 and 702.38

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Solution

The fourth proportional to 2,650.03, 3,975.35 and 702.38 is: 1,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.03 : 3,975.35 = 702.38 : x
  2. Step 2: Convert to fraction form
    2,650.03/3,975.35 = 702.38/x
  3. Step 3: Cross multiply
    2,650.03x = 3,975.35 × 702.38
  4. Step 4: Simplify right side
    2,650.03x = 2,792,212.76
  5. Step 5: Solve for x
    x = 2,792,212.76/2,650.03
  6. Step 6: Final answer
    x = 1,053.65

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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.