Home / 3,601.30-5,401.80-1,137.89

Finding the Fourth Proportional to 3,601.30, 5,401.80 and 1,137.89

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Solution

The fourth proportional to 3,601.30, 5,401.80 and 1,137.89 is: 1,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.30 : 5,401.80 = 1,137.89 : x
  2. Step 2: Convert to fraction form
    3,601.30/5,401.80 = 1,137.89/x
  3. Step 3: Cross multiply
    3,601.30x = 5,401.80 × 1,137.89
  4. Step 4: Simplify right side
    3,601.30x = 6,146,654.20
  5. Step 5: Solve for x
    x = 6,146,654.20/3,601.30
  6. Step 6: Final answer
    x = 1,706.79

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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.