Home / 2,251.32-3,377.70-1,018.40

Finding the Fourth Proportional to 2,251.32, 3,377.70 and 1,018.40

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Solution

The fourth proportional to 2,251.32, 3,377.70 and 1,018.40 is: 1,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.32 : 3,377.70 = 1,018.40 : x
  2. Step 2: Convert to fraction form
    2,251.32/3,377.70 = 1,018.40/x
  3. Step 3: Cross multiply
    2,251.32x = 3,377.70 × 1,018.40
  4. Step 4: Simplify right side
    2,251.32x = 3,439,842.29
  5. Step 5: Solve for x
    x = 3,439,842.29/2,251.32
  6. Step 6: Final answer
    x = 1,527.92

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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.