Home / 3,066.89-4,232.24-2,815.83

Finding the Fourth Proportional to 3,066.89, 4,232.24 and 2,815.83

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Solution

The fourth proportional to 3,066.89, 4,232.24 and 2,815.83 is: 3,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.89 : 4,232.24 = 2,815.83 : x
  2. Step 2: Convert to fraction form
    3,066.89/4,232.24 = 2,815.83/x
  3. Step 3: Cross multiply
    3,066.89x = 4,232.24 × 2,815.83
  4. Step 4: Simplify right side
    3,066.89x = 11,917,254.28
  5. Step 5: Solve for x
    x = 11,917,254.28/3,066.89
  6. Step 6: Final answer
    x = 3,885.78

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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.