Home / 2,720.71-4,077.24-1,158.59

Finding the Fourth Proportional to 2,720.71, 4,077.24 and 1,158.59

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Solution

The fourth proportional to 2,720.71, 4,077.24 and 1,158.59 is: 1,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.71 : 4,077.24 = 1,158.59 : x
  2. Step 2: Convert to fraction form
    2,720.71/4,077.24 = 1,158.59/x
  3. Step 3: Cross multiply
    2,720.71x = 4,077.24 × 1,158.59
  4. Step 4: Simplify right side
    2,720.71x = 4,723,859.68
  5. Step 5: Solve for x
    x = 4,723,859.68/2,720.71
  6. Step 6: Final answer
    x = 1,736.26

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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.