Home / 2,776.05-3,831.99-1,727.91

Finding the Fourth Proportional to 2,776.05, 3,831.99 and 1,727.91

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Solution

The fourth proportional to 2,776.05, 3,831.99 and 1,727.91 is: 2,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.05 : 3,831.99 = 1,727.91 : x
  2. Step 2: Convert to fraction form
    2,776.05/3,831.99 = 1,727.91/x
  3. Step 3: Cross multiply
    2,776.05x = 3,831.99 × 1,727.91
  4. Step 4: Simplify right side
    2,776.05x = 6,621,333.84
  5. Step 5: Solve for x
    x = 6,621,333.84/2,776.05
  6. Step 6: Final answer
    x = 2,385.16

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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.