Home / 3,338.46-5,005.68-1,146.60

Finding the Fourth Proportional to 3,338.46, 5,005.68 and 1,146.60

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Solution

The fourth proportional to 3,338.46, 5,005.68 and 1,146.60 is: 1,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.46 : 5,005.68 = 1,146.60 : x
  2. Step 2: Convert to fraction form
    3,338.46/5,005.68 = 1,146.60/x
  3. Step 3: Cross multiply
    3,338.46x = 5,005.68 × 1,146.60
  4. Step 4: Simplify right side
    3,338.46x = 5,739,512.69
  5. Step 5: Solve for x
    x = 5,739,512.69/3,338.46
  6. Step 6: Final answer
    x = 1,719.21

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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.