Home / 4,177.97-5,762.80-2,687.76

Finding the Fourth Proportional to 4,177.97, 5,762.80 and 2,687.76

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Solution

The fourth proportional to 4,177.97, 5,762.80 and 2,687.76 is: 3,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.97 : 5,762.80 = 2,687.76 : x
  2. Step 2: Convert to fraction form
    4,177.97/5,762.80 = 2,687.76/x
  3. Step 3: Cross multiply
    4,177.97x = 5,762.80 × 2,687.76
  4. Step 4: Simplify right side
    4,177.97x = 15,489,023.33
  5. Step 5: Solve for x
    x = 15,489,023.33/4,177.97
  6. Step 6: Final answer
    x = 3,707.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.