Home / 2,666.20-3,979.55-2,502.04

Finding the Fourth Proportional to 2,666.20, 3,979.55 and 2,502.04

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Solution

The fourth proportional to 2,666.20, 3,979.55 and 2,502.04 is: 3,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.20 : 3,979.55 = 2,502.04 : x
  2. Step 2: Convert to fraction form
    2,666.20/3,979.55 = 2,502.04/x
  3. Step 3: Cross multiply
    2,666.20x = 3,979.55 × 2,502.04
  4. Step 4: Simplify right side
    2,666.20x = 9,956,993.28
  5. Step 5: Solve for x
    x = 9,956,993.28/2,666.20
  6. Step 6: Final answer
    x = 3,734.53

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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.