Home / 3,015.28-4,522.31-824.03

Finding the Fourth Proportional to 3,015.28, 4,522.31 and 824.03

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Solution

The fourth proportional to 3,015.28, 4,522.31 and 824.03 is: 1,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.28 : 4,522.31 = 824.03 : x
  2. Step 2: Convert to fraction form
    3,015.28/4,522.31 = 824.03/x
  3. Step 3: Cross multiply
    3,015.28x = 4,522.31 × 824.03
  4. Step 4: Simplify right side
    3,015.28x = 3,726,519.11
  5. Step 5: Solve for x
    x = 3,726,519.11/3,015.28
  6. Step 6: Final answer
    x = 1,235.88

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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.