Home / 3,228.60-4,839.84-1,036.20

Finding the Fourth Proportional to 3,228.60, 4,839.84 and 1,036.20

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Solution

The fourth proportional to 3,228.60, 4,839.84 and 1,036.20 is: 1,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.60 : 4,839.84 = 1,036.20 : x
  2. Step 2: Convert to fraction form
    3,228.60/4,839.84 = 1,036.20/x
  3. Step 3: Cross multiply
    3,228.60x = 4,839.84 × 1,036.20
  4. Step 4: Simplify right side
    3,228.60x = 5,015,042.21
  5. Step 5: Solve for x
    x = 5,015,042.21/3,228.60
  6. Step 6: Final answer
    x = 1,553.32

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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.