Home / 2,338.79-3,227.35-1,343.88

Finding the Fourth Proportional to 2,338.79, 3,227.35 and 1,343.88

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Solution

The fourth proportional to 2,338.79, 3,227.35 and 1,343.88 is: 1,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.79 : 3,227.35 = 1,343.88 : x
  2. Step 2: Convert to fraction form
    2,338.79/3,227.35 = 1,343.88/x
  3. Step 3: Cross multiply
    2,338.79x = 3,227.35 × 1,343.88
  4. Step 4: Simplify right side
    2,338.79x = 4,337,171.12
  5. Step 5: Solve for x
    x = 4,337,171.12/2,338.79
  6. Step 6: Final answer
    x = 1,854.45

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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.