Home / 3,741.66-5,610.56-1,275.57

Finding the Fourth Proportional to 3,741.66, 5,610.56 and 1,275.57

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Solution

The fourth proportional to 3,741.66, 5,610.56 and 1,275.57 is: 1,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.66 : 5,610.56 = 1,275.57 : x
  2. Step 2: Convert to fraction form
    3,741.66/5,610.56 = 1,275.57/x
  3. Step 3: Cross multiply
    3,741.66x = 5,610.56 × 1,275.57
  4. Step 4: Simplify right side
    3,741.66x = 7,156,655.64
  5. Step 5: Solve for x
    x = 7,156,655.64/3,741.66
  6. Step 6: Final answer
    x = 1,912.70

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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.