Home / 2,855.52-4,281.26-1,099.05

Finding the Fourth Proportional to 2,855.52, 4,281.26 and 1,099.05

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Solution

The fourth proportional to 2,855.52, 4,281.26 and 1,099.05 is: 1,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.52 : 4,281.26 = 1,099.05 : x
  2. Step 2: Convert to fraction form
    2,855.52/4,281.26 = 1,099.05/x
  3. Step 3: Cross multiply
    2,855.52x = 4,281.26 × 1,099.05
  4. Step 4: Simplify right side
    2,855.52x = 4,705,313.31
  5. Step 5: Solve for x
    x = 4,705,313.31/2,855.52
  6. Step 6: Final answer
    x = 1,647.80

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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.