Home / 2,338.50-3,227.28-1,343.88

Finding the Fourth Proportional to 2,338.50, 3,227.28 and 1,343.88

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Solution

The fourth proportional to 2,338.50, 3,227.28 and 1,343.88 is: 1,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.50 : 3,227.28 = 1,343.88 : x
  2. Step 2: Convert to fraction form
    2,338.50/3,227.28 = 1,343.88/x
  3. Step 3: Cross multiply
    2,338.50x = 3,227.28 × 1,343.88
  4. Step 4: Simplify right side
    2,338.50x = 4,337,077.05
  5. Step 5: Solve for x
    x = 4,337,077.05/2,338.50
  6. Step 6: Final answer
    x = 1,854.64

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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.