Home / 2,968.10-4,452.54-1,019.78

Finding the Fourth Proportional to 2,968.10, 4,452.54 and 1,019.78

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Solution

The fourth proportional to 2,968.10, 4,452.54 and 1,019.78 is: 1,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.10 : 4,452.54 = 1,019.78 : x
  2. Step 2: Convert to fraction form
    2,968.10/4,452.54 = 1,019.78/x
  3. Step 3: Cross multiply
    2,968.10x = 4,452.54 × 1,019.78
  4. Step 4: Simplify right side
    2,968.10x = 4,540,611.24
  5. Step 5: Solve for x
    x = 4,540,611.24/2,968.10
  6. Step 6: Final answer
    x = 1,529.80

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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.