Home / 3,394.20-4,686.71-2,276.10

Finding the Fourth Proportional to 3,394.20, 4,686.71 and 2,276.10

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Solution

The fourth proportional to 3,394.20, 4,686.71 and 2,276.10 is: 3,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.20 : 4,686.71 = 2,276.10 : x
  2. Step 2: Convert to fraction form
    3,394.20/4,686.71 = 2,276.10/x
  3. Step 3: Cross multiply
    3,394.20x = 4,686.71 × 2,276.10
  4. Step 4: Simplify right side
    3,394.20x = 10,667,422.05
  5. Step 5: Solve for x
    x = 10,667,422.05/3,394.20
  6. Step 6: Final answer
    x = 3,142.83

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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.