Home / 3,818.00-5,727.85-1,220.94

Finding the Fourth Proportional to 3,818.00, 5,727.85 and 1,220.94

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Solution

The fourth proportional to 3,818.00, 5,727.85 and 1,220.94 is: 1,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.00 : 5,727.85 = 1,220.94 : x
  2. Step 2: Convert to fraction form
    3,818.00/5,727.85 = 1,220.94/x
  3. Step 3: Cross multiply
    3,818.00x = 5,727.85 × 1,220.94
  4. Step 4: Simplify right side
    3,818.00x = 6,993,358.13
  5. Step 5: Solve for x
    x = 6,993,358.13/3,818.00
  6. Step 6: Final answer
    x = 1,831.68

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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.