Home / 2,718.18-4,076.06-1,257.75

Finding the Fourth Proportional to 2,718.18, 4,076.06 and 1,257.75

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Solution

The fourth proportional to 2,718.18, 4,076.06 and 1,257.75 is: 1,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.18 : 4,076.06 = 1,257.75 : x
  2. Step 2: Convert to fraction form
    2,718.18/4,076.06 = 1,257.75/x
  3. Step 3: Cross multiply
    2,718.18x = 4,076.06 × 1,257.75
  4. Step 4: Simplify right side
    2,718.18x = 5,126,658.18
  5. Step 5: Solve for x
    x = 5,126,658.18/2,718.18
  6. Step 6: Final answer
    x = 1,886.06

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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.