Home / 3,199.57-4,799.05-1,119.19

Finding the Fourth Proportional to 3,199.57, 4,799.05 and 1,119.19

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Solution

The fourth proportional to 3,199.57, 4,799.05 and 1,119.19 is: 1,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.57 : 4,799.05 = 1,119.19 : x
  2. Step 2: Convert to fraction form
    3,199.57/4,799.05 = 1,119.19/x
  3. Step 3: Cross multiply
    3,199.57x = 4,799.05 × 1,119.19
  4. Step 4: Simplify right side
    3,199.57x = 5,371,048.77
  5. Step 5: Solve for x
    x = 5,371,048.77/3,199.57
  6. Step 6: Final answer
    x = 1,678.68

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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.