Home / 2,198.95-3,302.07-1,808.93

Finding the Fourth Proportional to 2,198.95, 3,302.07 and 1,808.93

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Solution

The fourth proportional to 2,198.95, 3,302.07 and 1,808.93 is: 2,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.95 : 3,302.07 = 1,808.93 : x
  2. Step 2: Convert to fraction form
    2,198.95/3,302.07 = 1,808.93/x
  3. Step 3: Cross multiply
    2,198.95x = 3,302.07 × 1,808.93
  4. Step 4: Simplify right side
    2,198.95x = 5,973,214.96
  5. Step 5: Solve for x
    x = 5,973,214.96/2,198.95
  6. Step 6: Final answer
    x = 2,716.40

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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.