Home / 1,843.02-2,540.43-1,254.42

Finding the Fourth Proportional to 1,843.02, 2,540.43 and 1,254.42

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Solution

The fourth proportional to 1,843.02, 2,540.43 and 1,254.42 is: 1,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.02 : 2,540.43 = 1,254.42 : x
  2. Step 2: Convert to fraction form
    1,843.02/2,540.43 = 1,254.42/x
  3. Step 3: Cross multiply
    1,843.02x = 2,540.43 × 1,254.42
  4. Step 4: Simplify right side
    1,843.02x = 3,186,766.20
  5. Step 5: Solve for x
    x = 3,186,766.20/1,843.02
  6. Step 6: Final answer
    x = 1,729.10

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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.