Home / 3,142.62-4,715.70-2,894.76

Finding the Fourth Proportional to 3,142.62, 4,715.70 and 2,894.76

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Solution

The fourth proportional to 3,142.62, 4,715.70 and 2,894.76 is: 4,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.62 : 4,715.70 = 2,894.76 : x
  2. Step 2: Convert to fraction form
    3,142.62/4,715.70 = 2,894.76/x
  3. Step 3: Cross multiply
    3,142.62x = 4,715.70 × 2,894.76
  4. Step 4: Simplify right side
    3,142.62x = 13,650,819.73
  5. Step 5: Solve for x
    x = 13,650,819.73/3,142.62
  6. Step 6: Final answer
    x = 4,343.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.