Home / 3,600.86-5,401.52-1,135.78

Finding the Fourth Proportional to 3,600.86, 5,401.52 and 1,135.78

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Solution

The fourth proportional to 3,600.86, 5,401.52 and 1,135.78 is: 1,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.86 : 5,401.52 = 1,135.78 : x
  2. Step 2: Convert to fraction form
    3,600.86/5,401.52 = 1,135.78/x
  3. Step 3: Cross multiply
    3,600.86x = 5,401.52 × 1,135.78
  4. Step 4: Simplify right side
    3,600.86x = 6,134,938.39
  5. Step 5: Solve for x
    x = 6,134,938.39/3,600.86
  6. Step 6: Final answer
    x = 1,703.74

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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.