Home / 2,217.12-3,326.88-1,868.82

Finding the Fourth Proportional to 2,217.12, 3,326.88 and 1,868.82

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Solution

The fourth proportional to 2,217.12, 3,326.88 and 1,868.82 is: 2,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.12 : 3,326.88 = 1,868.82 : x
  2. Step 2: Convert to fraction form
    2,217.12/3,326.88 = 1,868.82/x
  3. Step 3: Cross multiply
    2,217.12x = 3,326.88 × 1,868.82
  4. Step 4: Simplify right side
    2,217.12x = 6,217,339.88
  5. Step 5: Solve for x
    x = 6,217,339.88/2,217.12
  6. Step 6: Final answer
    x = 2,804.24

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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.