Home / 3,872.32-5,343.76-2,193.70

Finding the Fourth Proportional to 3,872.32, 5,343.76 and 2,193.70

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Solution

The fourth proportional to 3,872.32, 5,343.76 and 2,193.70 is: 3,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.32 : 5,343.76 = 2,193.70 : x
  2. Step 2: Convert to fraction form
    3,872.32/5,343.76 = 2,193.70/x
  3. Step 3: Cross multiply
    3,872.32x = 5,343.76 × 2,193.70
  4. Step 4: Simplify right side
    3,872.32x = 11,722,606.31
  5. Step 5: Solve for x
    x = 11,722,606.31/3,872.32
  6. Step 6: Final answer
    x = 3,027.28

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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.