Home / 3,177.63-4,761.90-1,396.55

Finding the Fourth Proportional to 3,177.63, 4,761.90 and 1,396.55

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Solution

The fourth proportional to 3,177.63, 4,761.90 and 1,396.55 is: 2,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.63 : 4,761.90 = 1,396.55 : x
  2. Step 2: Convert to fraction form
    3,177.63/4,761.90 = 1,396.55/x
  3. Step 3: Cross multiply
    3,177.63x = 4,761.90 × 1,396.55
  4. Step 4: Simplify right side
    3,177.63x = 6,650,224.46
  5. Step 5: Solve for x
    x = 6,650,224.46/3,177.63
  6. Step 6: Final answer
    x = 2,092.83

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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.