Home / 2,371.31-3,272.55-1,323.44

Finding the Fourth Proportional to 2,371.31, 3,272.55 and 1,323.44

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Solution

The fourth proportional to 2,371.31, 3,272.55 and 1,323.44 is: 1,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.31 : 3,272.55 = 1,323.44 : x
  2. Step 2: Convert to fraction form
    2,371.31/3,272.55 = 1,323.44/x
  3. Step 3: Cross multiply
    2,371.31x = 3,272.55 × 1,323.44
  4. Step 4: Simplify right side
    2,371.31x = 4,331,023.57
  5. Step 5: Solve for x
    x = 4,331,023.57/2,371.31
  6. Step 6: Final answer
    x = 1,826.43

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1.5x scale

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.