Home / 3,306.11-4,562.58-1,979.57

Finding the Fourth Proportional to 3,306.11, 4,562.58 and 1,979.57

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Solution

The fourth proportional to 3,306.11, 4,562.58 and 1,979.57 is: 2,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.11 : 4,562.58 = 1,979.57 : x
  2. Step 2: Convert to fraction form
    3,306.11/4,562.58 = 1,979.57/x
  3. Step 3: Cross multiply
    3,306.11x = 4,562.58 × 1,979.57
  4. Step 4: Simplify right side
    3,306.11x = 9,031,923.68
  5. Step 5: Solve for x
    x = 9,031,923.68/3,306.11
  6. Step 6: Final answer
    x = 2,731.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.