Home / 2,806.50-3,874.23-1,759.17

Finding the Fourth Proportional to 2,806.50, 3,874.23 and 1,759.17

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Solution

The fourth proportional to 2,806.50, 3,874.23 and 1,759.17 is: 2,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.50 : 3,874.23 = 1,759.17 : x
  2. Step 2: Convert to fraction form
    2,806.50/3,874.23 = 1,759.17/x
  3. Step 3: Cross multiply
    2,806.50x = 3,874.23 × 1,759.17
  4. Step 4: Simplify right side
    2,806.50x = 6,815,429.19
  5. Step 5: Solve for x
    x = 6,815,429.19/2,806.50
  6. Step 6: Final answer
    x = 2,428.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.