Home / 2,371.33-3,272.38-1,309.18

Finding the Fourth Proportional to 2,371.33, 3,272.38 and 1,309.18

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Solution

The fourth proportional to 2,371.33, 3,272.38 and 1,309.18 is: 1,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.33 : 3,272.38 = 1,309.18 : x
  2. Step 2: Convert to fraction form
    2,371.33/3,272.38 = 1,309.18/x
  3. Step 3: Cross multiply
    2,371.33x = 3,272.38 × 1,309.18
  4. Step 4: Simplify right side
    2,371.33x = 4,284,134.45
  5. Step 5: Solve for x
    x = 4,284,134.45/2,371.33
  6. Step 6: Final answer
    x = 1,806.64

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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.