Home / 3,601.11-5,401.71-1,261.02

Finding the Fourth Proportional to 3,601.11, 5,401.71 and 1,261.02

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Solution

The fourth proportional to 3,601.11, 5,401.71 and 1,261.02 is: 1,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.11 : 5,401.71 = 1,261.02 : x
  2. Step 2: Convert to fraction form
    3,601.11/5,401.71 = 1,261.02/x
  3. Step 3: Cross multiply
    3,601.11x = 5,401.71 × 1,261.02
  4. Step 4: Simplify right side
    3,601.11x = 6,811,664.34
  5. Step 5: Solve for x
    x = 6,811,664.34/3,601.11
  6. Step 6: Final answer
    x = 1,891.55

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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.