Home / 2,914.26-4,371.31-1,160.20

Finding the Fourth Proportional to 2,914.26, 4,371.31 and 1,160.20

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Solution

The fourth proportional to 2,914.26, 4,371.31 and 1,160.20 is: 1,740.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.26 : 4,371.31 = 1,160.20 : x
  2. Step 2: Convert to fraction form
    2,914.26/4,371.31 = 1,160.20/x
  3. Step 3: Cross multiply
    2,914.26x = 4,371.31 × 1,160.20
  4. Step 4: Simplify right side
    2,914.26x = 5,071,593.86
  5. Step 5: Solve for x
    x = 5,071,593.86/2,914.26
  6. Step 6: Final answer
    x = 1,740.27

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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.