Home / 3,232.60-4,851.30-1,286.20

Finding the Fourth Proportional to 3,232.60, 4,851.30 and 1,286.20

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Solution

The fourth proportional to 3,232.60, 4,851.30 and 1,286.20 is: 1,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.60 : 4,851.30 = 1,286.20 : x
  2. Step 2: Convert to fraction form
    3,232.60/4,851.30 = 1,286.20/x
  3. Step 3: Cross multiply
    3,232.60x = 4,851.30 × 1,286.20
  4. Step 4: Simplify right side
    3,232.60x = 6,239,742.06
  5. Step 5: Solve for x
    x = 6,239,742.06/3,232.60
  6. Step 6: Final answer
    x = 1,930.25

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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.