Home / 2,326.78-3,211.14-1,332.37

Finding the Fourth Proportional to 2,326.78, 3,211.14 and 1,332.37

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Solution

The fourth proportional to 2,326.78, 3,211.14 and 1,332.37 is: 1,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.78 : 3,211.14 = 1,332.37 : x
  2. Step 2: Convert to fraction form
    2,326.78/3,211.14 = 1,332.37/x
  3. Step 3: Cross multiply
    2,326.78x = 3,211.14 × 1,332.37
  4. Step 4: Simplify right side
    2,326.78x = 4,278,426.60
  5. Step 5: Solve for x
    x = 4,278,426.60/2,326.78
  6. Step 6: Final answer
    x = 1,838.78

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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.