Home / 3,403.34-5,105.21-1,322.65

Finding the Fourth Proportional to 3,403.34, 5,105.21 and 1,322.65

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Solution

The fourth proportional to 3,403.34, 5,105.21 and 1,322.65 is: 1,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.34 : 5,105.21 = 1,322.65 : x
  2. Step 2: Convert to fraction form
    3,403.34/5,105.21 = 1,322.65/x
  3. Step 3: Cross multiply
    3,403.34x = 5,105.21 × 1,322.65
  4. Step 4: Simplify right side
    3,403.34x = 6,752,406.01
  5. Step 5: Solve for x
    x = 6,752,406.01/3,403.34
  6. Step 6: Final answer
    x = 1,984.05

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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.