Home / 2,422.57-3,628.69-1,831.06

Finding the Fourth Proportional to 2,422.57, 3,628.69 and 1,831.06

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Solution

The fourth proportional to 2,422.57, 3,628.69 and 1,831.06 is: 2,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.57 : 3,628.69 = 1,831.06 : x
  2. Step 2: Convert to fraction form
    2,422.57/3,628.69 = 1,831.06/x
  3. Step 3: Cross multiply
    2,422.57x = 3,628.69 × 1,831.06
  4. Step 4: Simplify right side
    2,422.57x = 6,644,349.11
  5. Step 5: Solve for x
    x = 6,644,349.11/2,422.57
  6. Step 6: Final answer
    x = 2,742.69

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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.