Home / 3,741.32-5,610.36-1,275.48

Finding the Fourth Proportional to 3,741.32, 5,610.36 and 1,275.48

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Solution

The fourth proportional to 3,741.32, 5,610.36 and 1,275.48 is: 1,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.32 : 5,610.36 = 1,275.48 : x
  2. Step 2: Convert to fraction form
    3,741.32/5,610.36 = 1,275.48/x
  3. Step 3: Cross multiply
    3,741.32x = 5,610.36 × 1,275.48
  4. Step 4: Simplify right side
    3,741.32x = 7,155,901.97
  5. Step 5: Solve for x
    x = 7,155,901.97/3,741.32
  6. Step 6: Final answer
    x = 1,912.67

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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.