Home / 3,316.96-4,972.20-2,080.36

Finding the Fourth Proportional to 3,316.96, 4,972.20 and 2,080.36

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Solution

The fourth proportional to 3,316.96, 4,972.20 and 2,080.36 is: 3,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.96 : 4,972.20 = 2,080.36 : x
  2. Step 2: Convert to fraction form
    3,316.96/4,972.20 = 2,080.36/x
  3. Step 3: Cross multiply
    3,316.96x = 4,972.20 × 2,080.36
  4. Step 4: Simplify right side
    3,316.96x = 10,343,965.99
  5. Step 5: Solve for x
    x = 10,343,965.99/3,316.96
  6. Step 6: Final answer
    x = 3,118.51

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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.