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Finding the Fourth Proportional to 2,722.32, 3,754.32 and 1,725.84

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Solution

The fourth proportional to 2,722.32, 3,754.32 and 1,725.84 is: 2,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.32 : 3,754.32 = 1,725.84 : x
  2. Step 2: Convert to fraction form
    2,722.32/3,754.32 = 1,725.84/x
  3. Step 3: Cross multiply
    2,722.32x = 3,754.32 × 1,725.84
  4. Step 4: Simplify right side
    2,722.32x = 6,479,355.63
  5. Step 5: Solve for x
    x = 6,479,355.63/2,722.32
  6. Step 6: Final answer
    x = 2,380.09

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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.