Home / 2,517.05-3,775.77-668.13

Finding the Fourth Proportional to 2,517.05, 3,775.77 and 668.13

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Solution

The fourth proportional to 2,517.05, 3,775.77 and 668.13 is: 1,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.05 : 3,775.77 = 668.13 : x
  2. Step 2: Convert to fraction form
    2,517.05/3,775.77 = 668.13/x
  3. Step 3: Cross multiply
    2,517.05x = 3,775.77 × 668.13
  4. Step 4: Simplify right side
    2,517.05x = 2,522,682.99
  5. Step 5: Solve for x
    x = 2,522,682.99/2,517.05
  6. Step 6: Final answer
    x = 1,002.24

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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.