Home / 3,603.89-4,972.38-2,279.27

Finding the Fourth Proportional to 3,603.89, 4,972.38 and 2,279.27

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Solution

The fourth proportional to 3,603.89, 4,972.38 and 2,279.27 is: 3,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.89 : 4,972.38 = 2,279.27 : x
  2. Step 2: Convert to fraction form
    3,603.89/4,972.38 = 2,279.27/x
  3. Step 3: Cross multiply
    3,603.89x = 4,972.38 × 2,279.27
  4. Step 4: Simplify right side
    3,603.89x = 11,333,396.56
  5. Step 5: Solve for x
    x = 11,333,396.56/3,603.89
  6. Step 6: Final answer
    x = 3,144.77

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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.