Home / 2,718.96-4,078.94-1,158.96

Finding the Fourth Proportional to 2,718.96, 4,078.94 and 1,158.96

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Solution

The fourth proportional to 2,718.96, 4,078.94 and 1,158.96 is: 1,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.96 : 4,078.94 = 1,158.96 : x
  2. Step 2: Convert to fraction form
    2,718.96/4,078.94 = 1,158.96/x
  3. Step 3: Cross multiply
    2,718.96x = 4,078.94 × 1,158.96
  4. Step 4: Simplify right side
    2,718.96x = 4,727,328.30
  5. Step 5: Solve for x
    x = 4,727,328.30/2,718.96
  6. Step 6: Final answer
    x = 1,738.65

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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.