Home / 2,226.19-3,340.06-839.93

Finding the Fourth Proportional to 2,226.19, 3,340.06 and 839.93

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Solution

The fourth proportional to 2,226.19, 3,340.06 and 839.93 is: 1,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.19 : 3,340.06 = 839.93 : x
  2. Step 2: Convert to fraction form
    2,226.19/3,340.06 = 839.93/x
  3. Step 3: Cross multiply
    2,226.19x = 3,340.06 × 839.93
  4. Step 4: Simplify right side
    2,226.19x = 2,805,416.60
  5. Step 5: Solve for x
    x = 2,805,416.60/2,226.19
  6. Step 6: Final answer
    x = 1,260.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.