Home / 3,442.80-5,164.49-1,103.13

Finding the Fourth Proportional to 3,442.80, 5,164.49 and 1,103.13

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Solution

The fourth proportional to 3,442.80, 5,164.49 and 1,103.13 is: 1,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.80 : 5,164.49 = 1,103.13 : x
  2. Step 2: Convert to fraction form
    3,442.80/5,164.49 = 1,103.13/x
  3. Step 3: Cross multiply
    3,442.80x = 5,164.49 × 1,103.13
  4. Step 4: Simplify right side
    3,442.80x = 5,697,103.85
  5. Step 5: Solve for x
    x = 5,697,103.85/3,442.80
  6. Step 6: Final answer
    x = 1,654.79

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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.