Home / 3,220.16-4,832.40-2,066.72

Finding the Fourth Proportional to 3,220.16, 4,832.40 and 2,066.72

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Solution

The fourth proportional to 3,220.16, 4,832.40 and 2,066.72 is: 3,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.16 : 4,832.40 = 2,066.72 : x
  2. Step 2: Convert to fraction form
    3,220.16/4,832.40 = 2,066.72/x
  3. Step 3: Cross multiply
    3,220.16x = 4,832.40 × 2,066.72
  4. Step 4: Simplify right side
    3,220.16x = 9,987,217.73
  5. Step 5: Solve for x
    x = 9,987,217.73/3,220.16
  6. Step 6: Final answer
    x = 3,101.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.