Home / 2,718.55-4,076.79-1,157.57

Finding the Fourth Proportional to 2,718.55, 4,076.79 and 1,157.57

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Solution

The fourth proportional to 2,718.55, 4,076.79 and 1,157.57 is: 1,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.55 : 4,076.79 = 1,157.57 : x
  2. Step 2: Convert to fraction form
    2,718.55/4,076.79 = 1,157.57/x
  3. Step 3: Cross multiply
    2,718.55x = 4,076.79 × 1,157.57
  4. Step 4: Simplify right side
    2,718.55x = 4,719,169.80
  5. Step 5: Solve for x
    x = 4,719,169.80/2,718.55
  6. Step 6: Final answer
    x = 1,735.91

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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.