Home / 2,818.91-4,230.44-1,338.14

Finding the Fourth Proportional to 2,818.91, 4,230.44 and 1,338.14

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Solution

The fourth proportional to 2,818.91, 4,230.44 and 1,338.14 is: 2,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.91 : 4,230.44 = 1,338.14 : x
  2. Step 2: Convert to fraction form
    2,818.91/4,230.44 = 1,338.14/x
  3. Step 3: Cross multiply
    2,818.91x = 4,230.44 × 1,338.14
  4. Step 4: Simplify right side
    2,818.91x = 5,660,919.04
  5. Step 5: Solve for x
    x = 5,660,919.04/2,818.91
  6. Step 6: Final answer
    x = 2,008.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.