Home / 2,324.31-3,207.56-1,276.38

Finding the Fourth Proportional to 2,324.31, 3,207.56 and 1,276.38

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Solution

The fourth proportional to 2,324.31, 3,207.56 and 1,276.38 is: 1,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.31 : 3,207.56 = 1,276.38 : x
  2. Step 2: Convert to fraction form
    2,324.31/3,207.56 = 1,276.38/x
  3. Step 3: Cross multiply
    2,324.31x = 3,207.56 × 1,276.38
  4. Step 4: Simplify right side
    2,324.31x = 4,094,065.43
  5. Step 5: Solve for x
    x = 4,094,065.43/2,324.31
  6. Step 6: Final answer
    x = 1,761.41

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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.