Home / 3,603.52-4,972.92-2,187.24

Finding the Fourth Proportional to 3,603.52, 4,972.92 and 2,187.24

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Solution

The fourth proportional to 3,603.52, 4,972.92 and 2,187.24 is: 3,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.52 : 4,972.92 = 2,187.24 : x
  2. Step 2: Convert to fraction form
    3,603.52/4,972.92 = 2,187.24/x
  3. Step 3: Cross multiply
    3,603.52x = 4,972.92 × 2,187.24
  4. Step 4: Simplify right side
    3,603.52x = 10,876,969.54
  5. Step 5: Solve for x
    x = 10,876,969.54/3,603.52
  6. Step 6: Final answer
    x = 3,018.43

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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.