Home / 2,338.06-3,226.49-1,275.81

Finding the Fourth Proportional to 2,338.06, 3,226.49 and 1,275.81

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Solution

The fourth proportional to 2,338.06, 3,226.49 and 1,275.81 is: 1,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.06 : 3,226.49 = 1,275.81 : x
  2. Step 2: Convert to fraction form
    2,338.06/3,226.49 = 1,275.81/x
  3. Step 3: Cross multiply
    2,338.06x = 3,226.49 × 1,275.81
  4. Step 4: Simplify right side
    2,338.06x = 4,116,399.74
  5. Step 5: Solve for x
    x = 4,116,399.74/2,338.06
  6. Step 6: Final answer
    x = 1,760.61

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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.