Home / 3,601.35-5,401.85-1,260.63

Finding the Fourth Proportional to 3,601.35, 5,401.85 and 1,260.63

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Solution

The fourth proportional to 3,601.35, 5,401.85 and 1,260.63 is: 1,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.35 : 5,401.85 = 1,260.63 : x
  2. Step 2: Convert to fraction form
    3,601.35/5,401.85 = 1,260.63/x
  3. Step 3: Cross multiply
    3,601.35x = 5,401.85 × 1,260.63
  4. Step 4: Simplify right side
    3,601.35x = 6,809,727.86
  5. Step 5: Solve for x
    x = 6,809,727.86/3,601.35
  6. Step 6: Final answer
    x = 1,890.88

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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.