Home / 3,753.36-5,617.80-2,765.78

Finding the Fourth Proportional to 3,753.36, 5,617.80 and 2,765.78

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Solution

The fourth proportional to 3,753.36, 5,617.80 and 2,765.78 is: 4,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.36 : 5,617.80 = 2,765.78 : x
  2. Step 2: Convert to fraction form
    3,753.36/5,617.80 = 2,765.78/x
  3. Step 3: Cross multiply
    3,753.36x = 5,617.80 × 2,765.78
  4. Step 4: Simplify right side
    3,753.36x = 15,537,598.88
  5. Step 5: Solve for x
    x = 15,537,598.88/3,753.36
  6. Step 6: Final answer
    x = 4,139.65

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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.