Home / 2,831.25-4,244.82-1,426.53

Finding the Fourth Proportional to 2,831.25, 4,244.82 and 1,426.53

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Solution

The fourth proportional to 2,831.25, 4,244.82 and 1,426.53 is: 2,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.25 : 4,244.82 = 1,426.53 : x
  2. Step 2: Convert to fraction form
    2,831.25/4,244.82 = 1,426.53/x
  3. Step 3: Cross multiply
    2,831.25x = 4,244.82 × 1,426.53
  4. Step 4: Simplify right side
    2,831.25x = 6,055,359.51
  5. Step 5: Solve for x
    x = 6,055,359.51/2,831.25
  6. Step 6: Final answer
    x = 2,138.76

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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.