Home / 2,223.73-3,068.94-1,229.11

Finding the Fourth Proportional to 2,223.73, 3,068.94 and 1,229.11

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Solution

The fourth proportional to 2,223.73, 3,068.94 and 1,229.11 is: 1,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.73 : 3,068.94 = 1,229.11 : x
  2. Step 2: Convert to fraction form
    2,223.73/3,068.94 = 1,229.11/x
  3. Step 3: Cross multiply
    2,223.73x = 3,068.94 × 1,229.11
  4. Step 4: Simplify right side
    2,223.73x = 3,772,064.84
  5. Step 5: Solve for x
    x = 3,772,064.84/2,223.73
  6. Step 6: Final answer
    x = 1,696.28

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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.