Home / 3,603.59-4,972.20-2,188.03

Finding the Fourth Proportional to 3,603.59, 4,972.20 and 2,188.03

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Solution

The fourth proportional to 3,603.59, 4,972.20 and 2,188.03 is: 3,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.59 : 4,972.20 = 2,188.03 : x
  2. Step 2: Convert to fraction form
    3,603.59/4,972.20 = 2,188.03/x
  3. Step 3: Cross multiply
    3,603.59x = 4,972.20 × 2,188.03
  4. Step 4: Simplify right side
    3,603.59x = 10,879,297.91
  5. Step 5: Solve for x
    x = 10,879,297.91/3,603.59
  6. Step 6: Final answer
    x = 3,019.02

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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.