Home / 2,968.12-4,451.28-1,019.88

Finding the Fourth Proportional to 2,968.12, 4,451.28 and 1,019.88

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Solution

The fourth proportional to 2,968.12, 4,451.28 and 1,019.88 is: 1,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.12 : 4,451.28 = 1,019.88 : x
  2. Step 2: Convert to fraction form
    2,968.12/4,451.28 = 1,019.88/x
  3. Step 3: Cross multiply
    2,968.12x = 4,451.28 × 1,019.88
  4. Step 4: Simplify right side
    2,968.12x = 4,539,771.45
  5. Step 5: Solve for x
    x = 4,539,771.45/2,968.12
  6. Step 6: Final answer
    x = 1,529.51

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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.