Home / 3,642.35-5,463.48-1,177.11

Finding the Fourth Proportional to 3,642.35, 5,463.48 and 1,177.11

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Solution

The fourth proportional to 3,642.35, 5,463.48 and 1,177.11 is: 1,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.35 : 5,463.48 = 1,177.11 : x
  2. Step 2: Convert to fraction form
    3,642.35/5,463.48 = 1,177.11/x
  3. Step 3: Cross multiply
    3,642.35x = 5,463.48 × 1,177.11
  4. Step 4: Simplify right side
    3,642.35x = 6,431,121.36
  5. Step 5: Solve for x
    x = 6,431,121.36/3,642.35
  6. Step 6: Final answer
    x = 1,765.65

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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.