Home / 3,610.40-5,416.14-1,968.08

Finding the Fourth Proportional to 3,610.40, 5,416.14 and 1,968.08

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Solution

The fourth proportional to 3,610.40, 5,416.14 and 1,968.08 is: 2,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.40 : 5,416.14 = 1,968.08 : x
  2. Step 2: Convert to fraction form
    3,610.40/5,416.14 = 1,968.08/x
  3. Step 3: Cross multiply
    3,610.40x = 5,416.14 × 1,968.08
  4. Step 4: Simplify right side
    3,610.40x = 10,659,396.81
  5. Step 5: Solve for x
    x = 10,659,396.81/3,610.40
  6. Step 6: Final answer
    x = 2,952.41

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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.