Home / 3,728.60-5,593.40-1,228.96

Finding the Fourth Proportional to 3,728.60, 5,593.40 and 1,228.96

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Solution

The fourth proportional to 3,728.60, 5,593.40 and 1,228.96 is: 1,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.60 : 5,593.40 = 1,228.96 : x
  2. Step 2: Convert to fraction form
    3,728.60/5,593.40 = 1,228.96/x
  3. Step 3: Cross multiply
    3,728.60x = 5,593.40 × 1,228.96
  4. Step 4: Simplify right side
    3,728.60x = 6,874,064.86
  5. Step 5: Solve for x
    x = 6,874,064.86/3,728.60
  6. Step 6: Final answer
    x = 1,843.60

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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.