Home / 2,716.29-4,076.39-1,157.39

Finding the Fourth Proportional to 2,716.29, 4,076.39 and 1,157.39

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Solution

The fourth proportional to 2,716.29, 4,076.39 and 1,157.39 is: 1,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.29 : 4,076.39 = 1,157.39 : x
  2. Step 2: Convert to fraction form
    2,716.29/4,076.39 = 1,157.39/x
  3. Step 3: Cross multiply
    2,716.29x = 4,076.39 × 1,157.39
  4. Step 4: Simplify right side
    2,716.29x = 4,717,973.02
  5. Step 5: Solve for x
    x = 4,717,973.02/2,716.29
  6. Step 6: Final answer
    x = 1,736.92

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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.