Home / 3,841.92-5,298.30-2,849.67

Finding the Fourth Proportional to 3,841.92, 5,298.30 and 2,849.67

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Solution

The fourth proportional to 3,841.92, 5,298.30 and 2,849.67 is: 3,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.92 : 5,298.30 = 2,849.67 : x
  2. Step 2: Convert to fraction form
    3,841.92/5,298.30 = 2,849.67/x
  3. Step 3: Cross multiply
    3,841.92x = 5,298.30 × 2,849.67
  4. Step 4: Simplify right side
    3,841.92x = 15,098,406.56
  5. Step 5: Solve for x
    x = 15,098,406.56/3,841.92
  6. Step 6: Final answer
    x = 3,929.91

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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.