Home / 3,166.16-4,365.06-2,220.68

Finding the Fourth Proportional to 3,166.16, 4,365.06 and 2,220.68

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Solution

The fourth proportional to 3,166.16, 4,365.06 and 2,220.68 is: 3,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.16 : 4,365.06 = 2,220.68 : x
  2. Step 2: Convert to fraction form
    3,166.16/4,365.06 = 2,220.68/x
  3. Step 3: Cross multiply
    3,166.16x = 4,365.06 × 2,220.68
  4. Step 4: Simplify right side
    3,166.16x = 9,693,401.44
  5. Step 5: Solve for x
    x = 9,693,401.44/3,166.16
  6. Step 6: Final answer
    x = 3,061.56

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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.