Home / 2,331.84-3,217.92-1,323.74

Finding the Fourth Proportional to 2,331.84, 3,217.92 and 1,323.74

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Solution

The fourth proportional to 2,331.84, 3,217.92 and 1,323.74 is: 1,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.84 : 3,217.92 = 1,323.74 : x
  2. Step 2: Convert to fraction form
    2,331.84/3,217.92 = 1,323.74/x
  3. Step 3: Cross multiply
    2,331.84x = 3,217.92 × 1,323.74
  4. Step 4: Simplify right side
    2,331.84x = 4,259,689.42
  5. Step 5: Solve for x
    x = 4,259,689.42/2,331.84
  6. Step 6: Final answer
    x = 1,826.75

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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.