Home / 3,681.31-5,517.96-1,833.79

Finding the Fourth Proportional to 3,681.31, 5,517.96 and 1,833.79

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Solution

The fourth proportional to 3,681.31, 5,517.96 and 1,833.79 is: 2,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.31 : 5,517.96 = 1,833.79 : x
  2. Step 2: Convert to fraction form
    3,681.31/5,517.96 = 1,833.79/x
  3. Step 3: Cross multiply
    3,681.31x = 5,517.96 × 1,833.79
  4. Step 4: Simplify right side
    3,681.31x = 10,118,779.87
  5. Step 5: Solve for x
    x = 10,118,779.87/3,681.31
  6. Step 6: Final answer
    x = 2,748.69

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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.