Home / 3,663.13-5,488.75-2,198.65

Finding the Fourth Proportional to 3,663.13, 5,488.75 and 2,198.65

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Solution

The fourth proportional to 3,663.13, 5,488.75 and 2,198.65 is: 3,294.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.13 : 5,488.75 = 2,198.65 : x
  2. Step 2: Convert to fraction form
    3,663.13/5,488.75 = 2,198.65/x
  3. Step 3: Cross multiply
    3,663.13x = 5,488.75 × 2,198.65
  4. Step 4: Simplify right side
    3,663.13x = 12,067,840.19
  5. Step 5: Solve for x
    x = 12,067,840.19/3,663.13
  6. Step 6: Final answer
    x = 3,294.41

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1.5x scale

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.