Home / 3,720.33-5,133.38-2,228.85

Finding the Fourth Proportional to 3,720.33, 5,133.38 and 2,228.85

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Solution

The fourth proportional to 3,720.33, 5,133.38 and 2,228.85 is: 3,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.33 : 5,133.38 = 2,228.85 : x
  2. Step 2: Convert to fraction form
    3,720.33/5,133.38 = 2,228.85/x
  3. Step 3: Cross multiply
    3,720.33x = 5,133.38 × 2,228.85
  4. Step 4: Simplify right side
    3,720.33x = 11,441,522.87
  5. Step 5: Solve for x
    x = 11,441,522.87/3,720.33
  6. Step 6: Final answer
    x = 3,075.41

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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.