Home / 3,305.59-4,562.27-1,979.56

Finding the Fourth Proportional to 3,305.59, 4,562.27 and 1,979.56

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Solution

The fourth proportional to 3,305.59, 4,562.27 and 1,979.56 is: 2,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.59 : 4,562.27 = 1,979.56 : x
  2. Step 2: Convert to fraction form
    3,305.59/4,562.27 = 1,979.56/x
  3. Step 3: Cross multiply
    3,305.59x = 4,562.27 × 1,979.56
  4. Step 4: Simplify right side
    3,305.59x = 9,031,287.20
  5. Step 5: Solve for x
    x = 9,031,287.20/3,305.59
  6. Step 6: Final answer
    x = 2,732.13

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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.