Home / 3,127.97-4,315.07-2,066.15

Finding the Fourth Proportional to 3,127.97, 4,315.07 and 2,066.15

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Solution

The fourth proportional to 3,127.97, 4,315.07 and 2,066.15 is: 2,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.97 : 4,315.07 = 2,066.15 : x
  2. Step 2: Convert to fraction form
    3,127.97/4,315.07 = 2,066.15/x
  3. Step 3: Cross multiply
    3,127.97x = 4,315.07 × 2,066.15
  4. Step 4: Simplify right side
    3,127.97x = 8,915,565.47
  5. Step 5: Solve for x
    x = 8,915,565.47/3,127.97
  6. Step 6: Final answer
    x = 2,850.28

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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.