Home / 2,806.95-3,848.41-2,763.92

Finding the Fourth Proportional to 2,806.95, 3,848.41 and 2,763.92

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Solution

The fourth proportional to 2,806.95, 3,848.41 and 2,763.92 is: 3,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.95 : 3,848.41 = 2,763.92 : x
  2. Step 2: Convert to fraction form
    2,806.95/3,848.41 = 2,763.92/x
  3. Step 3: Cross multiply
    2,806.95x = 3,848.41 × 2,763.92
  4. Step 4: Simplify right side
    2,806.95x = 10,636,710.44
  5. Step 5: Solve for x
    x = 10,636,710.44/2,806.95
  6. Step 6: Final answer
    x = 3,789.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.