Home / 3,400.30-5,092.89-1,938.52

Finding the Fourth Proportional to 3,400.30, 5,092.89 and 1,938.52

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Solution

The fourth proportional to 3,400.30, 5,092.89 and 1,938.52 is: 2,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.30 : 5,092.89 = 1,938.52 : x
  2. Step 2: Convert to fraction form
    3,400.30/5,092.89 = 1,938.52/x
  3. Step 3: Cross multiply
    3,400.30x = 5,092.89 × 1,938.52
  4. Step 4: Simplify right side
    3,400.30x = 9,872,669.12
  5. Step 5: Solve for x
    x = 9,872,669.12/3,400.30
  6. Step 6: Final answer
    x = 2,903.47

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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.