Home / 2,798.08-4,193.94-2,177.20

Finding the Fourth Proportional to 2,798.08, 4,193.94 and 2,177.20

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Solution

The fourth proportional to 2,798.08, 4,193.94 and 2,177.20 is: 3,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.08 : 4,193.94 = 2,177.20 : x
  2. Step 2: Convert to fraction form
    2,798.08/4,193.94 = 2,177.20/x
  3. Step 3: Cross multiply
    2,798.08x = 4,193.94 × 2,177.20
  4. Step 4: Simplify right side
    2,798.08x = 9,131,046.17
  5. Step 5: Solve for x
    x = 9,131,046.17/2,798.08
  6. Step 6: Final answer
    x = 3,263.33

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1.5x scale

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.