Home / 2,578.97-3,865.04-1,346.06

Finding the Fourth Proportional to 2,578.97, 3,865.04 and 1,346.06

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Solution

The fourth proportional to 2,578.97, 3,865.04 and 1,346.06 is: 2,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.97 : 3,865.04 = 1,346.06 : x
  2. Step 2: Convert to fraction form
    2,578.97/3,865.04 = 1,346.06/x
  3. Step 3: Cross multiply
    2,578.97x = 3,865.04 × 1,346.06
  4. Step 4: Simplify right side
    2,578.97x = 5,202,549.69
  5. Step 5: Solve for x
    x = 5,202,549.69/2,578.97
  6. Step 6: Final answer
    x = 2,017.30

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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.