Home / 2,724.32-3,757.38-1,780.04

Finding the Fourth Proportional to 2,724.32, 3,757.38 and 1,780.04

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Solution

The fourth proportional to 2,724.32, 3,757.38 and 1,780.04 is: 2,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.32 : 3,757.38 = 1,780.04 : x
  2. Step 2: Convert to fraction form
    2,724.32/3,757.38 = 1,780.04/x
  3. Step 3: Cross multiply
    2,724.32x = 3,757.38 × 1,780.04
  4. Step 4: Simplify right side
    2,724.32x = 6,688,286.70
  5. Step 5: Solve for x
    x = 6,688,286.70/2,724.32
  6. Step 6: Final answer
    x = 2,455.03

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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.