Home / 3,306.35-4,562.90-1,979.79

Finding the Fourth Proportional to 3,306.35, 4,562.90 and 1,979.79

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Solution

The fourth proportional to 3,306.35, 4,562.90 and 1,979.79 is: 2,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.35 : 4,562.90 = 1,979.79 : x
  2. Step 2: Convert to fraction form
    3,306.35/4,562.90 = 1,979.79/x
  3. Step 3: Cross multiply
    3,306.35x = 4,562.90 × 1,979.79
  4. Step 4: Simplify right side
    3,306.35x = 9,033,573.89
  5. Step 5: Solve for x
    x = 9,033,573.89/3,306.35
  6. Step 6: Final answer
    x = 2,732.19

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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.