Home / 3,411.11-5,116.44-1,330.73

Finding the Fourth Proportional to 3,411.11, 5,116.44 and 1,330.73

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Solution

The fourth proportional to 3,411.11, 5,116.44 and 1,330.73 is: 1,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.11 : 5,116.44 = 1,330.73 : x
  2. Step 2: Convert to fraction form
    3,411.11/5,116.44 = 1,330.73/x
  3. Step 3: Cross multiply
    3,411.11x = 5,116.44 × 1,330.73
  4. Step 4: Simplify right side
    3,411.11x = 6,808,600.20
  5. Step 5: Solve for x
    x = 6,808,600.20/3,411.11
  6. Step 6: Final answer
    x = 1,996.01

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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.