Home / 2,343.77-3,238.68-2,229.90

Finding the Fourth Proportional to 2,343.77, 3,238.68 and 2,229.90

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Solution

The fourth proportional to 2,343.77, 3,238.68 and 2,229.90 is: 3,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.77 : 3,238.68 = 2,229.90 : x
  2. Step 2: Convert to fraction form
    2,343.77/3,238.68 = 2,229.90/x
  3. Step 3: Cross multiply
    2,343.77x = 3,238.68 × 2,229.90
  4. Step 4: Simplify right side
    2,343.77x = 7,221,932.53
  5. Step 5: Solve for x
    x = 7,221,932.53/2,343.77
  6. Step 6: Final answer
    x = 3,081.34

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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.