Home / 2,845.28-4,266.43-1,089.75

Finding the Fourth Proportional to 2,845.28, 4,266.43 and 1,089.75

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Solution

The fourth proportional to 2,845.28, 4,266.43 and 1,089.75 is: 1,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.28 : 4,266.43 = 1,089.75 : x
  2. Step 2: Convert to fraction form
    2,845.28/4,266.43 = 1,089.75/x
  3. Step 3: Cross multiply
    2,845.28x = 4,266.43 × 1,089.75
  4. Step 4: Simplify right side
    2,845.28x = 4,649,363.03
  5. Step 5: Solve for x
    x = 4,649,363.03/2,845.28
  6. Step 6: Final answer
    x = 1,634.06

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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.