Home / 3,801.78-5,702.60-3,151.14

Finding the Fourth Proportional to 3,801.78, 5,702.60 and 3,151.14

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Solution

The fourth proportional to 3,801.78, 5,702.60 and 3,151.14 is: 4,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.78 : 5,702.60 = 3,151.14 : x
  2. Step 2: Convert to fraction form
    3,801.78/5,702.60 = 3,151.14/x
  3. Step 3: Cross multiply
    3,801.78x = 5,702.60 × 3,151.14
  4. Step 4: Simplify right side
    3,801.78x = 17,969,670.33
  5. Step 5: Solve for x
    x = 17,969,670.33/3,801.78
  6. Step 6: Final answer
    x = 4,726.65

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1.5x scale

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.