Home / 3,473.38-4,795.78-2,148.90

Finding the Fourth Proportional to 3,473.38, 4,795.78 and 2,148.90

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Solution

The fourth proportional to 3,473.38, 4,795.78 and 2,148.90 is: 2,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.38 : 4,795.78 = 2,148.90 : x
  2. Step 2: Convert to fraction form
    3,473.38/4,795.78 = 2,148.90/x
  3. Step 3: Cross multiply
    3,473.38x = 4,795.78 × 2,148.90
  4. Step 4: Simplify right side
    3,473.38x = 10,305,651.64
  5. Step 5: Solve for x
    x = 10,305,651.64/3,473.38
  6. Step 6: Final answer
    x = 2,967.04

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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.