Home / 3,013.20-4,519.64-961.04

Finding the Fourth Proportional to 3,013.20, 4,519.64 and 961.04

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Solution

The fourth proportional to 3,013.20, 4,519.64 and 961.04 is: 1,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.20 : 4,519.64 = 961.04 : x
  2. Step 2: Convert to fraction form
    3,013.20/4,519.64 = 961.04/x
  3. Step 3: Cross multiply
    3,013.20x = 4,519.64 × 961.04
  4. Step 4: Simplify right side
    3,013.20x = 4,343,554.83
  5. Step 5: Solve for x
    x = 4,343,554.83/3,013.20
  6. Step 6: Final answer
    x = 1,441.51

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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.