Home / 3,728.64-5,593.77-1,131.78

Finding the Fourth Proportional to 3,728.64, 5,593.77 and 1,131.78

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Solution

The fourth proportional to 3,728.64, 5,593.77 and 1,131.78 is: 1,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.64 : 5,593.77 = 1,131.78 : x
  2. Step 2: Convert to fraction form
    3,728.64/5,593.77 = 1,131.78/x
  3. Step 3: Cross multiply
    3,728.64x = 5,593.77 × 1,131.78
  4. Step 4: Simplify right side
    3,728.64x = 6,330,917.01
  5. Step 5: Solve for x
    x = 6,330,917.01/3,728.64
  6. Step 6: Final answer
    x = 1,697.92

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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.