Home / 2,718.43-4,076.60-1,157.45

Finding the Fourth Proportional to 2,718.43, 4,076.60 and 1,157.45

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Solution

The fourth proportional to 2,718.43, 4,076.60 and 1,157.45 is: 1,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.43 : 4,076.60 = 1,157.45 : x
  2. Step 2: Convert to fraction form
    2,718.43/4,076.60 = 1,157.45/x
  3. Step 3: Cross multiply
    2,718.43x = 4,076.60 × 1,157.45
  4. Step 4: Simplify right side
    2,718.43x = 4,718,460.67
  5. Step 5: Solve for x
    x = 4,718,460.67/2,718.43
  6. Step 6: Final answer
    x = 1,735.73

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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.