Home / 3,844.62-5,767.02-1,247.76

Finding the Fourth Proportional to 3,844.62, 5,767.02 and 1,247.76

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Solution

The fourth proportional to 3,844.62, 5,767.02 and 1,247.76 is: 1,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.62 : 5,767.02 = 1,247.76 : x
  2. Step 2: Convert to fraction form
    3,844.62/5,767.02 = 1,247.76/x
  3. Step 3: Cross multiply
    3,844.62x = 5,767.02 × 1,247.76
  4. Step 4: Simplify right side
    3,844.62x = 7,195,856.88
  5. Step 5: Solve for x
    x = 7,195,856.88/3,844.62
  6. Step 6: Final answer
    x = 1,871.67

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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.