Home / 3,213.30-4,796.70-2,972.82

Finding the Fourth Proportional to 3,213.30, 4,796.70 and 2,972.82

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Solution

The fourth proportional to 3,213.30, 4,796.70 and 2,972.82 is: 4,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.30 : 4,796.70 = 2,972.82 : x
  2. Step 2: Convert to fraction form
    3,213.30/4,796.70 = 2,972.82/x
  3. Step 3: Cross multiply
    3,213.30x = 4,796.70 × 2,972.82
  4. Step 4: Simplify right side
    3,213.30x = 14,259,725.69
  5. Step 5: Solve for x
    x = 14,259,725.69/3,213.30
  6. Step 6: Final answer
    x = 4,437.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.