Home / 4,019.60-5,546.40-2,251.20

Finding the Fourth Proportional to 4,019.60, 5,546.40 and 2,251.20

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Solution

The fourth proportional to 4,019.60, 5,546.40 and 2,251.20 is: 3,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.60 : 5,546.40 = 2,251.20 : x
  2. Step 2: Convert to fraction form
    4,019.60/5,546.40 = 2,251.20/x
  3. Step 3: Cross multiply
    4,019.60x = 5,546.40 × 2,251.20
  4. Step 4: Simplify right side
    4,019.60x = 12,486,055.68
  5. Step 5: Solve for x
    x = 12,486,055.68/4,019.60
  6. Step 6: Final answer
    x = 3,106.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.