Home / 2,198.18-3,296.25-717.17

Finding the Fourth Proportional to 2,198.18, 3,296.25 and 717.17

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Solution

The fourth proportional to 2,198.18, 3,296.25 and 717.17 is: 1,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.18 : 3,296.25 = 717.17 : x
  2. Step 2: Convert to fraction form
    2,198.18/3,296.25 = 717.17/x
  3. Step 3: Cross multiply
    2,198.18x = 3,296.25 × 717.17
  4. Step 4: Simplify right side
    2,198.18x = 2,363,955.13
  5. Step 5: Solve for x
    x = 2,363,955.13/2,198.18
  6. Step 6: Final answer
    x = 1,075.42

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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.