Home / 3,414.24-4,709.67-2,154.84

Finding the Fourth Proportional to 3,414.24, 4,709.67 and 2,154.84

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Solution

The fourth proportional to 3,414.24, 4,709.67 and 2,154.84 is: 2,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.24 : 4,709.67 = 2,154.84 : x
  2. Step 2: Convert to fraction form
    3,414.24/4,709.67 = 2,154.84/x
  3. Step 3: Cross multiply
    3,414.24x = 4,709.67 × 2,154.84
  4. Step 4: Simplify right side
    3,414.24x = 10,148,585.30
  5. Step 5: Solve for x
    x = 10,148,585.30/3,414.24
  6. Step 6: Final answer
    x = 2,972.43

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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.