Home / 2,639.75-3,955.19-1,596.58

Finding the Fourth Proportional to 2,639.75, 3,955.19 and 1,596.58

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Solution

The fourth proportional to 2,639.75, 3,955.19 and 1,596.58 is: 2,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.75 : 3,955.19 = 1,596.58 : x
  2. Step 2: Convert to fraction form
    2,639.75/3,955.19 = 1,596.58/x
  3. Step 3: Cross multiply
    2,639.75x = 3,955.19 × 1,596.58
  4. Step 4: Simplify right side
    2,639.75x = 6,314,759.38
  5. Step 5: Solve for x
    x = 6,314,759.38/2,639.75
  6. Step 6: Final answer
    x = 2,392.19

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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.