Home / 3,110.74-4,666.12-2,561.78

Finding the Fourth Proportional to 3,110.74, 4,666.12 and 2,561.78

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Solution

The fourth proportional to 3,110.74, 4,666.12 and 2,561.78 is: 3,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.74 : 4,666.12 = 2,561.78 : x
  2. Step 2: Convert to fraction form
    3,110.74/4,666.12 = 2,561.78/x
  3. Step 3: Cross multiply
    3,110.74x = 4,666.12 × 2,561.78
  4. Step 4: Simplify right side
    3,110.74x = 11,953,572.89
  5. Step 5: Solve for x
    x = 11,953,572.89/3,110.74
  6. Step 6: Final answer
    x = 3,842.68

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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.