Home / 2,324.40-3,207.68-1,276.48

Finding the Fourth Proportional to 2,324.40, 3,207.68 and 1,276.48

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Solution

The fourth proportional to 2,324.40, 3,207.68 and 1,276.48 is: 1,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.40 : 3,207.68 = 1,276.48 : x
  2. Step 2: Convert to fraction form
    2,324.40/3,207.68 = 1,276.48/x
  3. Step 3: Cross multiply
    2,324.40x = 3,207.68 × 1,276.48
  4. Step 4: Simplify right side
    2,324.40x = 4,094,539.37
  5. Step 5: Solve for x
    x = 4,094,539.37/2,324.40
  6. Step 6: Final answer
    x = 1,761.55

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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.