Home / 3,372.87-5,048.49-1,809.03

Finding the Fourth Proportional to 3,372.87, 5,048.49 and 1,809.03

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Solution

The fourth proportional to 3,372.87, 5,048.49 and 1,809.03 is: 2,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.87 : 5,048.49 = 1,809.03 : x
  2. Step 2: Convert to fraction form
    3,372.87/5,048.49 = 1,809.03/x
  3. Step 3: Cross multiply
    3,372.87x = 5,048.49 × 1,809.03
  4. Step 4: Simplify right side
    3,372.87x = 9,132,869.86
  5. Step 5: Solve for x
    x = 9,132,869.86/3,372.87
  6. Step 6: Final answer
    x = 2,707.74

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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.