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Finding the Fourth Proportional to 3,600.96, 5,401.26 and 1,135.77

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Solution

The fourth proportional to 3,600.96, 5,401.26 and 1,135.77 is: 1,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.96 : 5,401.26 = 1,135.77 : x
  2. Step 2: Convert to fraction form
    3,600.96/5,401.26 = 1,135.77/x
  3. Step 3: Cross multiply
    3,600.96x = 5,401.26 × 1,135.77
  4. Step 4: Simplify right side
    3,600.96x = 6,134,589.07
  5. Step 5: Solve for x
    x = 6,134,589.07/3,600.96
  6. Step 6: Final answer
    x = 1,703.60

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1.5x scale

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.