Home / 3,611.20-5,412.66-1,968.52

Finding the Fourth Proportional to 3,611.20, 5,412.66 and 1,968.52

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Solution

The fourth proportional to 3,611.20, 5,412.66 and 1,968.52 is: 2,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.20 : 5,412.66 = 1,968.52 : x
  2. Step 2: Convert to fraction form
    3,611.20/5,412.66 = 1,968.52/x
  3. Step 3: Cross multiply
    3,611.20x = 5,412.66 × 1,968.52
  4. Step 4: Simplify right side
    3,611.20x = 10,654,929.46
  5. Step 5: Solve for x
    x = 10,654,929.46/3,611.20
  6. Step 6: Final answer
    x = 2,950.52

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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.