Home / 3,831.81-5,310.08-3,758.00

Finding the Fourth Proportional to 3,831.81, 5,310.08 and 3,758.00

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Solution

The fourth proportional to 3,831.81, 5,310.08 and 3,758.00 is: 5,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.81 : 5,310.08 = 3,758.00 : x
  2. Step 2: Convert to fraction form
    3,831.81/5,310.08 = 3,758.00/x
  3. Step 3: Cross multiply
    3,831.81x = 5,310.08 × 3,758.00
  4. Step 4: Simplify right side
    3,831.81x = 19,955,259.96
  5. Step 5: Solve for x
    x = 19,955,259.96/3,831.81
  6. Step 6: Final answer
    x = 5,207.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.