Home / 2,716.43-4,073.60-1,155.45

Finding the Fourth Proportional to 2,716.43, 4,073.60 and 1,155.45

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Solution

The fourth proportional to 2,716.43, 4,073.60 and 1,155.45 is: 1,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.43 : 4,073.60 = 1,155.45 : x
  2. Step 2: Convert to fraction form
    2,716.43/4,073.60 = 1,155.45/x
  3. Step 3: Cross multiply
    2,716.43x = 4,073.60 × 1,155.45
  4. Step 4: Simplify right side
    2,716.43x = 4,706,859.28
  5. Step 5: Solve for x
    x = 4,706,859.28/2,716.43
  6. Step 6: Final answer
    x = 1,732.74

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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.