Home / 3,831.58-5,742.57-1,637.74

Finding the Fourth Proportional to 3,831.58, 5,742.57 and 1,637.74

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Solution

The fourth proportional to 3,831.58, 5,742.57 and 1,637.74 is: 2,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.58 : 5,742.57 = 1,637.74 : x
  2. Step 2: Convert to fraction form
    3,831.58/5,742.57 = 1,637.74/x
  3. Step 3: Cross multiply
    3,831.58x = 5,742.57 × 1,637.74
  4. Step 4: Simplify right side
    3,831.58x = 9,404,836.59
  5. Step 5: Solve for x
    x = 9,404,836.59/3,831.58
  6. Step 6: Final answer
    x = 2,454.56

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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.