Home / 3,398.57-5,090.89-2,007.70

Finding the Fourth Proportional to 3,398.57, 5,090.89 and 2,007.70

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Solution

The fourth proportional to 3,398.57, 5,090.89 and 2,007.70 is: 3,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.57 : 5,090.89 = 2,007.70 : x
  2. Step 2: Convert to fraction form
    3,398.57/5,090.89 = 2,007.70/x
  3. Step 3: Cross multiply
    3,398.57x = 5,090.89 × 2,007.70
  4. Step 4: Simplify right side
    3,398.57x = 10,220,979.85
  5. Step 5: Solve for x
    x = 10,220,979.85/3,398.57
  6. Step 6: Final answer
    x = 3,007.44

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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.