Home / 3,638.14-5,455.70-2,249.44

Finding the Fourth Proportional to 3,638.14, 5,455.70 and 2,249.44

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Solution

The fourth proportional to 3,638.14, 5,455.70 and 2,249.44 is: 3,373.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.14 : 5,455.70 = 2,249.44 : x
  2. Step 2: Convert to fraction form
    3,638.14/5,455.70 = 2,249.44/x
  3. Step 3: Cross multiply
    3,638.14x = 5,455.70 × 2,249.44
  4. Step 4: Simplify right side
    3,638.14x = 12,272,269.81
  5. Step 5: Solve for x
    x = 12,272,269.81/3,638.14
  6. Step 6: Final answer
    x = 3,373.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.