Home / 2,004.12-2,766.44-1,508.20

Finding the Fourth Proportional to 2,004.12, 2,766.44 and 1,508.20

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Solution

The fourth proportional to 2,004.12, 2,766.44 and 1,508.20 is: 2,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.12 : 2,766.44 = 1,508.20 : x
  2. Step 2: Convert to fraction form
    2,004.12/2,766.44 = 1,508.20/x
  3. Step 3: Cross multiply
    2,004.12x = 2,766.44 × 1,508.20
  4. Step 4: Simplify right side
    2,004.12x = 4,172,344.81
  5. Step 5: Solve for x
    x = 4,172,344.81/2,004.12
  6. Step 6: Final answer
    x = 2,081.88

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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.