Home / 3,428.66-4,726.97-2,722.84

Finding the Fourth Proportional to 3,428.66, 4,726.97 and 2,722.84

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Solution

The fourth proportional to 3,428.66, 4,726.97 and 2,722.84 is: 3,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.66 : 4,726.97 = 2,722.84 : x
  2. Step 2: Convert to fraction form
    3,428.66/4,726.97 = 2,722.84/x
  3. Step 3: Cross multiply
    3,428.66x = 4,726.97 × 2,722.84
  4. Step 4: Simplify right side
    3,428.66x = 12,870,782.99
  5. Step 5: Solve for x
    x = 12,870,782.99/3,428.66
  6. Step 6: Final answer
    x = 3,753.88

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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.