Home / 2,323.31-3,206.09-1,275.36

Finding the Fourth Proportional to 2,323.31, 3,206.09 and 1,275.36

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Solution

The fourth proportional to 2,323.31, 3,206.09 and 1,275.36 is: 1,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.31 : 3,206.09 = 1,275.36 : x
  2. Step 2: Convert to fraction form
    2,323.31/3,206.09 = 1,275.36/x
  3. Step 3: Cross multiply
    2,323.31x = 3,206.09 × 1,275.36
  4. Step 4: Simplify right side
    2,323.31x = 4,088,912.57
  5. Step 5: Solve for x
    x = 4,088,912.57/2,323.31
  6. Step 6: Final answer
    x = 1,759.96

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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.