Home / 3,603.94-4,972.67-2,188.37

Finding the Fourth Proportional to 3,603.94, 4,972.67 and 2,188.37

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Solution

The fourth proportional to 3,603.94, 4,972.67 and 2,188.37 is: 3,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.94 : 4,972.67 = 2,188.37 : x
  2. Step 2: Convert to fraction form
    3,603.94/4,972.67 = 2,188.37/x
  3. Step 3: Cross multiply
    3,603.94x = 4,972.67 × 2,188.37
  4. Step 4: Simplify right side
    3,603.94x = 10,882,041.85
  5. Step 5: Solve for x
    x = 10,882,041.85/3,603.94
  6. Step 6: Final answer
    x = 3,019.48

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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.