Home / 3,842.15-5,761.58-1,619.52

Finding the Fourth Proportional to 3,842.15, 5,761.58 and 1,619.52

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Solution

The fourth proportional to 3,842.15, 5,761.58 and 1,619.52 is: 2,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.15 : 5,761.58 = 1,619.52 : x
  2. Step 2: Convert to fraction form
    3,842.15/5,761.58 = 1,619.52/x
  3. Step 3: Cross multiply
    3,842.15x = 5,761.58 × 1,619.52
  4. Step 4: Simplify right side
    3,842.15x = 9,330,985.94
  5. Step 5: Solve for x
    x = 9,330,985.94/3,842.15
  6. Step 6: Final answer
    x = 2,428.59

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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.