Home / 3,199.31-4,795.88-1,640.04

Finding the Fourth Proportional to 3,199.31, 4,795.88 and 1,640.04

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Solution

The fourth proportional to 3,199.31, 4,795.88 and 1,640.04 is: 2,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.31 : 4,795.88 = 1,640.04 : x
  2. Step 2: Convert to fraction form
    3,199.31/4,795.88 = 1,640.04/x
  3. Step 3: Cross multiply
    3,199.31x = 4,795.88 × 1,640.04
  4. Step 4: Simplify right side
    3,199.31x = 7,865,426.84
  5. Step 5: Solve for x
    x = 7,865,426.84/3,199.31
  6. Step 6: Final answer
    x = 2,458.48

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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.