Home / 3,983.92-5,500.08-3,097.76

Finding the Fourth Proportional to 3,983.92, 5,500.08 and 3,097.76

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Solution

The fourth proportional to 3,983.92, 5,500.08 and 3,097.76 is: 4,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.92 : 5,500.08 = 3,097.76 : x
  2. Step 2: Convert to fraction form
    3,983.92/5,500.08 = 3,097.76/x
  3. Step 3: Cross multiply
    3,983.92x = 5,500.08 × 3,097.76
  4. Step 4: Simplify right side
    3,983.92x = 17,037,927.82
  5. Step 5: Solve for x
    x = 17,037,927.82/3,983.92
  6. Step 6: Final answer
    x = 4,276.67

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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.