Home / 3,553.72-4,904.76-2,228.56

Finding the Fourth Proportional to 3,553.72, 4,904.76 and 2,228.56

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Solution

The fourth proportional to 3,553.72, 4,904.76 and 2,228.56 is: 3,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.72 : 4,904.76 = 2,228.56 : x
  2. Step 2: Convert to fraction form
    3,553.72/4,904.76 = 2,228.56/x
  3. Step 3: Cross multiply
    3,553.72x = 4,904.76 × 2,228.56
  4. Step 4: Simplify right side
    3,553.72x = 10,930,551.95
  5. Step 5: Solve for x
    x = 10,930,551.95/3,553.72
  6. Step 6: Final answer
    x = 3,075.81

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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.