Home / 1,831.97-2,743.70-1,818.31

Finding the Fourth Proportional to 1,831.97, 2,743.70 and 1,818.31

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Solution

The fourth proportional to 1,831.97, 2,743.70 and 1,818.31 is: 2,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.97 : 2,743.70 = 1,818.31 : x
  2. Step 2: Convert to fraction form
    1,831.97/2,743.70 = 1,818.31/x
  3. Step 3: Cross multiply
    1,831.97x = 2,743.70 × 1,818.31
  4. Step 4: Simplify right side
    1,831.97x = 4,988,881.20
  5. Step 5: Solve for x
    x = 4,988,881.20/1,831.97
  6. Step 6: Final answer
    x = 2,723.24

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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.