Home / 2,776.16-3,831.09-1,517.22

Finding the Fourth Proportional to 2,776.16, 3,831.09 and 1,517.22

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Solution

The fourth proportional to 2,776.16, 3,831.09 and 1,517.22 is: 2,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.16 : 3,831.09 = 1,517.22 : x
  2. Step 2: Convert to fraction form
    2,776.16/3,831.09 = 1,517.22/x
  3. Step 3: Cross multiply
    2,776.16x = 3,831.09 × 1,517.22
  4. Step 4: Simplify right side
    2,776.16x = 5,812,593.04
  5. Step 5: Solve for x
    x = 5,812,593.04/2,776.16
  6. Step 6: Final answer
    x = 2,093.75

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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.