Home / 2,327.28-3,490.38-1,286.97

Finding the Fourth Proportional to 2,327.28, 3,490.38 and 1,286.97

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Solution

The fourth proportional to 2,327.28, 3,490.38 and 1,286.97 is: 1,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.28 : 3,490.38 = 1,286.97 : x
  2. Step 2: Convert to fraction form
    2,327.28/3,490.38 = 1,286.97/x
  3. Step 3: Cross multiply
    2,327.28x = 3,490.38 × 1,286.97
  4. Step 4: Simplify right side
    2,327.28x = 4,492,014.35
  5. Step 5: Solve for x
    x = 4,492,014.35/2,327.28
  6. Step 6: Final answer
    x = 1,930.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.