Home / 3,806.11-5,247.65-2,910.95

Finding the Fourth Proportional to 3,806.11, 5,247.65 and 2,910.95

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Solution

The fourth proportional to 3,806.11, 5,247.65 and 2,910.95 is: 4,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.11 : 5,247.65 = 2,910.95 : x
  2. Step 2: Convert to fraction form
    3,806.11/5,247.65 = 2,910.95/x
  3. Step 3: Cross multiply
    3,806.11x = 5,247.65 × 2,910.95
  4. Step 4: Simplify right side
    3,806.11x = 15,275,628.91
  5. Step 5: Solve for x
    x = 15,275,628.91/3,806.11
  6. Step 6: Final answer
    x = 4,013.45

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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.