Home / 3,996.84-5,515.66-2,228.52

Finding the Fourth Proportional to 3,996.84, 5,515.66 and 2,228.52

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Solution

The fourth proportional to 3,996.84, 5,515.66 and 2,228.52 is: 3,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.84 : 5,515.66 = 2,228.52 : x
  2. Step 2: Convert to fraction form
    3,996.84/5,515.66 = 2,228.52/x
  3. Step 3: Cross multiply
    3,996.84x = 5,515.66 × 2,228.52
  4. Step 4: Simplify right side
    3,996.84x = 12,291,758.62
  5. Step 5: Solve for x
    x = 12,291,758.62/3,996.84
  6. Step 6: Final answer
    x = 3,075.37

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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.