Home / 3,306.54-4,561.29-1,979.85

Finding the Fourth Proportional to 3,306.54, 4,561.29 and 1,979.85

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Solution

The fourth proportional to 3,306.54, 4,561.29 and 1,979.85 is: 2,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.54 : 4,561.29 = 1,979.85 : x
  2. Step 2: Convert to fraction form
    3,306.54/4,561.29 = 1,979.85/x
  3. Step 3: Cross multiply
    3,306.54x = 4,561.29 × 1,979.85
  4. Step 4: Simplify right side
    3,306.54x = 9,030,670.01
  5. Step 5: Solve for x
    x = 9,030,670.01/3,306.54
  6. Step 6: Final answer
    x = 2,731.15

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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.