Home / 3,414.23-4,709.68-2,154.84

Finding the Fourth Proportional to 3,414.23, 4,709.68 and 2,154.84

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Solution

The fourth proportional to 3,414.23, 4,709.68 and 2,154.84 is: 2,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.23 : 4,709.68 = 2,154.84 : x
  2. Step 2: Convert to fraction form
    3,414.23/4,709.68 = 2,154.84/x
  3. Step 3: Cross multiply
    3,414.23x = 4,709.68 × 2,154.84
  4. Step 4: Simplify right side
    3,414.23x = 10,148,601.46
  5. Step 5: Solve for x
    x = 10,148,601.46/3,414.23
  6. Step 6: Final answer
    x = 2,972.44

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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.