Home / 3,681.96-5,081.43-2,266.58

Finding the Fourth Proportional to 3,681.96, 5,081.43 and 2,266.58

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Solution

The fourth proportional to 3,681.96, 5,081.43 and 2,266.58 is: 3,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.96 : 5,081.43 = 2,266.58 : x
  2. Step 2: Convert to fraction form
    3,681.96/5,081.43 = 2,266.58/x
  3. Step 3: Cross multiply
    3,681.96x = 5,081.43 × 2,266.58
  4. Step 4: Simplify right side
    3,681.96x = 11,517,442.20
  5. Step 5: Solve for x
    x = 11,517,442.20/3,681.96
  6. Step 6: Final answer
    x = 3,128.07

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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.