Home / 2,972.32-4,101.78-1,794.04

Finding the Fourth Proportional to 2,972.32, 4,101.78 and 1,794.04

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Solution

The fourth proportional to 2,972.32, 4,101.78 and 1,794.04 is: 2,475.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.32 : 4,101.78 = 1,794.04 : x
  2. Step 2: Convert to fraction form
    2,972.32/4,101.78 = 1,794.04/x
  3. Step 3: Cross multiply
    2,972.32x = 4,101.78 × 1,794.04
  4. Step 4: Simplify right side
    2,972.32x = 7,358,757.39
  5. Step 5: Solve for x
    x = 7,358,757.39/2,972.32
  6. Step 6: Final answer
    x = 2,475.76

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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.