Home / 3,603.88-4,972.56-2,111.04

Finding the Fourth Proportional to 3,603.88, 4,972.56 and 2,111.04

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Solution

The fourth proportional to 3,603.88, 4,972.56 and 2,111.04 is: 2,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.88 : 4,972.56 = 2,111.04 : x
  2. Step 2: Convert to fraction form
    3,603.88/4,972.56 = 2,111.04/x
  3. Step 3: Cross multiply
    3,603.88x = 4,972.56 × 2,111.04
  4. Step 4: Simplify right side
    3,603.88x = 10,497,273.06
  5. Step 5: Solve for x
    x = 10,497,273.06/3,603.88
  6. Step 6: Final answer
    x = 2,912.77

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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.