Home / 2,625.85-3,939.99-1,066.93

Finding the Fourth Proportional to 2,625.85, 3,939.99 and 1,066.93

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Solution

The fourth proportional to 2,625.85, 3,939.99 and 1,066.93 is: 1,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.85 : 3,939.99 = 1,066.93 : x
  2. Step 2: Convert to fraction form
    2,625.85/3,939.99 = 1,066.93/x
  3. Step 3: Cross multiply
    2,625.85x = 3,939.99 × 1,066.93
  4. Step 4: Simplify right side
    2,625.85x = 4,203,679.68
  5. Step 5: Solve for x
    x = 4,203,679.68/2,625.85
  6. Step 6: Final answer
    x = 1,600.88

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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.