Home / 4,084.36-5,636.48-2,221.36

Finding the Fourth Proportional to 4,084.36, 5,636.48 and 2,221.36

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Solution

The fourth proportional to 4,084.36, 5,636.48 and 2,221.36 is: 3,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.36 : 5,636.48 = 2,221.36 : x
  2. Step 2: Convert to fraction form
    4,084.36/5,636.48 = 2,221.36/x
  3. Step 3: Cross multiply
    4,084.36x = 5,636.48 × 2,221.36
  4. Step 4: Simplify right side
    4,084.36x = 12,520,651.21
  5. Step 5: Solve for x
    x = 12,520,651.21/4,084.36
  6. Step 6: Final answer
    x = 3,065.51

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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.