Home / 3,199.80-4,799.70-1,907.04

Finding the Fourth Proportional to 3,199.80, 4,799.70 and 1,907.04

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Solution

The fourth proportional to 3,199.80, 4,799.70 and 1,907.04 is: 2,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.80 : 4,799.70 = 1,907.04 : x
  2. Step 2: Convert to fraction form
    3,199.80/4,799.70 = 1,907.04/x
  3. Step 3: Cross multiply
    3,199.80x = 4,799.70 × 1,907.04
  4. Step 4: Simplify right side
    3,199.80x = 9,153,219.89
  5. Step 5: Solve for x
    x = 9,153,219.89/3,199.80
  6. Step 6: Final answer
    x = 2,860.56

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Similar ratio
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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.