Home / 2,371.74-3,272.94-1,323.78

Finding the Fourth Proportional to 2,371.74, 3,272.94 and 1,323.78

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Solution

The fourth proportional to 2,371.74, 3,272.94 and 1,323.78 is: 1,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.74 : 3,272.94 = 1,323.78 : x
  2. Step 2: Convert to fraction form
    2,371.74/3,272.94 = 1,323.78/x
  3. Step 3: Cross multiply
    2,371.74x = 3,272.94 × 1,323.78
  4. Step 4: Simplify right side
    2,371.74x = 4,332,652.51
  5. Step 5: Solve for x
    x = 4,332,652.51/2,371.74
  6. Step 6: Final answer
    x = 1,826.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.