Home / 3,158.26-4,358.38-1,761

Finding the Fourth Proportional to 3,158.26, 4,358.38 and 1,761

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Solution

The fourth proportional to 3,158.26, 4,358.38 and 1,761 is: 2,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.26 : 4,358.38 = 1,761 : x
  2. Step 2: Convert to fraction form
    3,158.26/4,358.38 = 1,761/x
  3. Step 3: Cross multiply
    3,158.26x = 4,358.38 × 1,761
  4. Step 4: Simplify right side
    3,158.26x = 7,675,107.18
  5. Step 5: Solve for x
    x = 7,675,107.18/3,158.26
  6. Step 6: Final answer
    x = 2,430.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.