Home / 3,679.77-5,521.99-1,339.55

Finding the Fourth Proportional to 3,679.77, 5,521.99 and 1,339.55

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Solution

The fourth proportional to 3,679.77, 5,521.99 and 1,339.55 is: 2,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.77 : 5,521.99 = 1,339.55 : x
  2. Step 2: Convert to fraction form
    3,679.77/5,521.99 = 1,339.55/x
  3. Step 3: Cross multiply
    3,679.77x = 5,521.99 × 1,339.55
  4. Step 4: Simplify right side
    3,679.77x = 7,396,954.09
  5. Step 5: Solve for x
    x = 7,396,954.09/3,679.77
  6. Step 6: Final answer
    x = 2,010.17

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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.