Home / 2,718.43-4,077.78-1,158.64

Finding the Fourth Proportional to 2,718.43, 4,077.78 and 1,158.64

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Solution

The fourth proportional to 2,718.43, 4,077.78 and 1,158.64 is: 1,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.43 : 4,077.78 = 1,158.64 : x
  2. Step 2: Convert to fraction form
    2,718.43/4,077.78 = 1,158.64/x
  3. Step 3: Cross multiply
    2,718.43x = 4,077.78 × 1,158.64
  4. Step 4: Simplify right side
    2,718.43x = 4,724,679.02
  5. Step 5: Solve for x
    x = 4,724,679.02/2,718.43
  6. Step 6: Final answer
    x = 1,738.02

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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.