Home / 2,066.28-3,084.69-1,979.88

Finding the Fourth Proportional to 2,066.28, 3,084.69 and 1,979.88

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Solution

The fourth proportional to 2,066.28, 3,084.69 and 1,979.88 is: 2,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.28 : 3,084.69 = 1,979.88 : x
  2. Step 2: Convert to fraction form
    2,066.28/3,084.69 = 1,979.88/x
  3. Step 3: Cross multiply
    2,066.28x = 3,084.69 × 1,979.88
  4. Step 4: Simplify right side
    2,066.28x = 6,107,316.04
  5. Step 5: Solve for x
    x = 6,107,316.04/2,066.28
  6. Step 6: Final answer
    x = 2,955.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.