Home / 2,718.98-4,081.17-1,258.46

Finding the Fourth Proportional to 2,718.98, 4,081.17 and 1,258.46

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Solution

The fourth proportional to 2,718.98, 4,081.17 and 1,258.46 is: 1,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.98 : 4,081.17 = 1,258.46 : x
  2. Step 2: Convert to fraction form
    2,718.98/4,081.17 = 1,258.46/x
  3. Step 3: Cross multiply
    2,718.98x = 4,081.17 × 1,258.46
  4. Step 4: Simplify right side
    2,718.98x = 5,135,989.20
  5. Step 5: Solve for x
    x = 5,135,989.20/2,718.98
  6. Step 6: Final answer
    x = 1,888.94

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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.