Home / 3,288.40-4,519.04-3,136.12

Finding the Fourth Proportional to 3,288.40, 4,519.04 and 3,136.12

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Solution

The fourth proportional to 3,288.40, 4,519.04 and 3,136.12 is: 4,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.40 : 4,519.04 = 3,136.12 : x
  2. Step 2: Convert to fraction form
    3,288.40/4,519.04 = 3,136.12/x
  3. Step 3: Cross multiply
    3,288.40x = 4,519.04 × 3,136.12
  4. Step 4: Simplify right side
    3,288.40x = 14,172,251.72
  5. Step 5: Solve for x
    x = 14,172,251.72/3,288.40
  6. Step 6: Final answer
    x = 4,309.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.