Home / 2,816.95-4,226.19-1,235.80

Finding the Fourth Proportional to 2,816.95, 4,226.19 and 1,235.80

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Solution

The fourth proportional to 2,816.95, 4,226.19 and 1,235.80 is: 1,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.95 : 4,226.19 = 1,235.80 : x
  2. Step 2: Convert to fraction form
    2,816.95/4,226.19 = 1,235.80/x
  3. Step 3: Cross multiply
    2,816.95x = 4,226.19 × 1,235.80
  4. Step 4: Simplify right side
    2,816.95x = 5,222,725.60
  5. Step 5: Solve for x
    x = 5,222,725.60/2,816.95
  6. Step 6: Final answer
    x = 1,854.04

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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.