Home / 2,968.40-4,452.56-1,213.04

Finding the Fourth Proportional to 2,968.40, 4,452.56 and 1,213.04

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Solution

The fourth proportional to 2,968.40, 4,452.56 and 1,213.04 is: 1,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.40 : 4,452.56 = 1,213.04 : x
  2. Step 2: Convert to fraction form
    2,968.40/4,452.56 = 1,213.04/x
  3. Step 3: Cross multiply
    2,968.40x = 4,452.56 × 1,213.04
  4. Step 4: Simplify right side
    2,968.40x = 5,401,133.38
  5. Step 5: Solve for x
    x = 5,401,133.38/2,968.40
  6. Step 6: Final answer
    x = 1,819.54

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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.