Home / 4,083.85-5,635.73-2,220.85

Finding the Fourth Proportional to 4,083.85, 5,635.73 and 2,220.85

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Solution

The fourth proportional to 4,083.85, 5,635.73 and 2,220.85 is: 3,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.85 : 5,635.73 = 2,220.85 : x
  2. Step 2: Convert to fraction form
    4,083.85/5,635.73 = 2,220.85/x
  3. Step 3: Cross multiply
    4,083.85x = 5,635.73 × 2,220.85
  4. Step 4: Simplify right side
    4,083.85x = 12,516,071.69
  5. Step 5: Solve for x
    x = 12,516,071.69/4,083.85
  6. Step 6: Final answer
    x = 3,064.78

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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.