Home / 3,213.20-4,439.99-2,506.82

Finding the Fourth Proportional to 3,213.20, 4,439.99 and 2,506.82

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Solution

The fourth proportional to 3,213.20, 4,439.99 and 2,506.82 is: 3,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.20 : 4,439.99 = 2,506.82 : x
  2. Step 2: Convert to fraction form
    3,213.20/4,439.99 = 2,506.82/x
  3. Step 3: Cross multiply
    3,213.20x = 4,439.99 × 2,506.82
  4. Step 4: Simplify right side
    3,213.20x = 11,130,239.80
  5. Step 5: Solve for x
    x = 11,130,239.80/3,213.20
  6. Step 6: Final answer
    x = 3,463.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.