Home / 3,015.12-4,522.23-824.03

Finding the Fourth Proportional to 3,015.12, 4,522.23 and 824.03

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Solution

The fourth proportional to 3,015.12, 4,522.23 and 824.03 is: 1,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.12 : 4,522.23 = 824.03 : x
  2. Step 2: Convert to fraction form
    3,015.12/4,522.23 = 824.03/x
  3. Step 3: Cross multiply
    3,015.12x = 4,522.23 × 824.03
  4. Step 4: Simplify right side
    3,015.12x = 3,726,430.58
  5. Step 5: Solve for x
    x = 3,726,430.58/3,015.12
  6. Step 6: Final answer
    x = 1,235.91

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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.