Home / 4,083.18-5,634.80-2,220.18

Finding the Fourth Proportional to 4,083.18, 5,634.80 and 2,220.18

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Solution

The fourth proportional to 4,083.18, 5,634.80 and 2,220.18 is: 3,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.18 : 5,634.80 = 2,220.18 : x
  2. Step 2: Convert to fraction form
    4,083.18/5,634.80 = 2,220.18/x
  3. Step 3: Cross multiply
    4,083.18x = 5,634.80 × 2,220.18
  4. Step 4: Simplify right side
    4,083.18x = 12,510,270.26
  5. Step 5: Solve for x
    x = 12,510,270.26/4,083.18
  6. Step 6: Final answer
    x = 3,063.85

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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.