Home / 3,013.20-4,519.84-933.18

Finding the Fourth Proportional to 3,013.20, 4,519.84 and 933.18

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Solution

The fourth proportional to 3,013.20, 4,519.84 and 933.18 is: 1,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.20 : 4,519.84 = 933.18 : x
  2. Step 2: Convert to fraction form
    3,013.20/4,519.84 = 933.18/x
  3. Step 3: Cross multiply
    3,013.20x = 4,519.84 × 933.18
  4. Step 4: Simplify right side
    3,013.20x = 4,217,824.29
  5. Step 5: Solve for x
    x = 4,217,824.29/3,013.20
  6. Step 6: Final answer
    x = 1,399.78

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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.