Home / 3,291.24-4,937.78-1,831.41

Finding the Fourth Proportional to 3,291.24, 4,937.78 and 1,831.41

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Solution

The fourth proportional to 3,291.24, 4,937.78 and 1,831.41 is: 2,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.24 : 4,937.78 = 1,831.41 : x
  2. Step 2: Convert to fraction form
    3,291.24/4,937.78 = 1,831.41/x
  3. Step 3: Cross multiply
    3,291.24x = 4,937.78 × 1,831.41
  4. Step 4: Simplify right side
    3,291.24x = 9,043,090.51
  5. Step 5: Solve for x
    x = 9,043,090.51/3,291.24
  6. Step 6: Final answer
    x = 2,747.62

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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.