Home / 3,092.78-4,268.47-1,973.36

Finding the Fourth Proportional to 3,092.78, 4,268.47 and 1,973.36

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Solution

The fourth proportional to 3,092.78, 4,268.47 and 1,973.36 is: 2,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.78 : 4,268.47 = 1,973.36 : x
  2. Step 2: Convert to fraction form
    3,092.78/4,268.47 = 1,973.36/x
  3. Step 3: Cross multiply
    3,092.78x = 4,268.47 × 1,973.36
  4. Step 4: Simplify right side
    3,092.78x = 8,423,227.96
  5. Step 5: Solve for x
    x = 8,423,227.96/3,092.78
  6. Step 6: Final answer
    x = 2,723.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.