Home / 2,981.68-4,471.65-1,202.74

Finding the Fourth Proportional to 2,981.68, 4,471.65 and 1,202.74

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Solution

The fourth proportional to 2,981.68, 4,471.65 and 1,202.74 is: 1,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.68 : 4,471.65 = 1,202.74 : x
  2. Step 2: Convert to fraction form
    2,981.68/4,471.65 = 1,202.74/x
  3. Step 3: Cross multiply
    2,981.68x = 4,471.65 × 1,202.74
  4. Step 4: Simplify right side
    2,981.68x = 5,378,221.14
  5. Step 5: Solve for x
    x = 5,378,221.14/2,981.68
  6. Step 6: Final answer
    x = 1,803.76

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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.