Home / 3,110.85-4,666.16-2,561.38

Finding the Fourth Proportional to 3,110.85, 4,666.16 and 2,561.38

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Solution

The fourth proportional to 3,110.85, 4,666.16 and 2,561.38 is: 3,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.85 : 4,666.16 = 2,561.38 : x
  2. Step 2: Convert to fraction form
    3,110.85/4,666.16 = 2,561.38/x
  3. Step 3: Cross multiply
    3,110.85x = 4,666.16 × 2,561.38
  4. Step 4: Simplify right side
    3,110.85x = 11,951,803.64
  5. Step 5: Solve for x
    x = 11,951,803.64/3,110.85
  6. Step 6: Final answer
    x = 3,841.97

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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.