Home / 2,222.49-3,081.08-2,103.98

Finding the Fourth Proportional to 2,222.49, 3,081.08 and 2,103.98

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Solution

The fourth proportional to 2,222.49, 3,081.08 and 2,103.98 is: 2,916.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.49 : 3,081.08 = 2,103.98 : x
  2. Step 2: Convert to fraction form
    2,222.49/3,081.08 = 2,103.98/x
  3. Step 3: Cross multiply
    2,222.49x = 3,081.08 × 2,103.98
  4. Step 4: Simplify right side
    2,222.49x = 6,482,531.83
  5. Step 5: Solve for x
    x = 6,482,531.83/2,222.49
  6. Step 6: Final answer
    x = 2,916.79

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.