Home / 3,605.01-4,974.93-2,112.95

Finding the Fourth Proportional to 3,605.01, 4,974.93 and 2,112.95

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Solution

The fourth proportional to 3,605.01, 4,974.93 and 2,112.95 is: 2,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.01 : 4,974.93 = 2,112.95 : x
  2. Step 2: Convert to fraction form
    3,605.01/4,974.93 = 2,112.95/x
  3. Step 3: Cross multiply
    3,605.01x = 4,974.93 × 2,112.95
  4. Step 4: Simplify right side
    3,605.01x = 10,511,790.78
  5. Step 5: Solve for x
    x = 10,511,790.78/3,605.01
  6. Step 6: Final answer
    x = 2,915.89

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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.