Home / 2,731.02-4,092.36-1,268.46

Finding the Fourth Proportional to 2,731.02, 4,092.36 and 1,268.46

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Solution

The fourth proportional to 2,731.02, 4,092.36 and 1,268.46 is: 1,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.02 : 4,092.36 = 1,268.46 : x
  2. Step 2: Convert to fraction form
    2,731.02/4,092.36 = 1,268.46/x
  3. Step 3: Cross multiply
    2,731.02x = 4,092.36 × 1,268.46
  4. Step 4: Simplify right side
    2,731.02x = 5,190,994.97
  5. Step 5: Solve for x
    x = 5,190,994.97/2,731.02
  6. Step 6: Final answer
    x = 1,900.75

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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.