Home / 3,728.15-5,595.20-2,084.39

Finding the Fourth Proportional to 3,728.15, 5,595.20 and 2,084.39

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Solution

The fourth proportional to 3,728.15, 5,595.20 and 2,084.39 is: 3,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.15 : 5,595.20 = 2,084.39 : x
  2. Step 2: Convert to fraction form
    3,728.15/5,595.20 = 2,084.39/x
  3. Step 3: Cross multiply
    3,728.15x = 5,595.20 × 2,084.39
  4. Step 4: Simplify right side
    3,728.15x = 11,662,578.93
  5. Step 5: Solve for x
    x = 11,662,578.93/3,728.15
  6. Step 6: Final answer
    x = 3,128.25

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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.