Home / 3,723.74-5,577.11-1,777.31

Finding the Fourth Proportional to 3,723.74, 5,577.11 and 1,777.31

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Solution

The fourth proportional to 3,723.74, 5,577.11 and 1,777.31 is: 2,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.74 : 5,577.11 = 1,777.31 : x
  2. Step 2: Convert to fraction form
    3,723.74/5,577.11 = 1,777.31/x
  3. Step 3: Cross multiply
    3,723.74x = 5,577.11 × 1,777.31
  4. Step 4: Simplify right side
    3,723.74x = 9,912,247.97
  5. Step 5: Solve for x
    x = 9,912,247.97/3,723.74
  6. Step 6: Final answer
    x = 2,661.91

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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.