Home / 1,831.07-2,747.70-1,682.19

Finding the Fourth Proportional to 1,831.07, 2,747.70 and 1,682.19

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Solution

The fourth proportional to 1,831.07, 2,747.70 and 1,682.19 is: 2,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.07 : 2,747.70 = 1,682.19 : x
  2. Step 2: Convert to fraction form
    1,831.07/2,747.70 = 1,682.19/x
  3. Step 3: Cross multiply
    1,831.07x = 2,747.70 × 1,682.19
  4. Step 4: Simplify right side
    1,831.07x = 4,622,139.72
  5. Step 5: Solve for x
    x = 4,622,139.72/1,831.07
  6. Step 6: Final answer
    x = 2,524.28

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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.