Home / 3,379.42-5,055.58-2,922.13

Finding the Fourth Proportional to 3,379.42, 5,055.58 and 2,922.13

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Solution

The fourth proportional to 3,379.42, 5,055.58 and 2,922.13 is: 4,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.42 : 5,055.58 = 2,922.13 : x
  2. Step 2: Convert to fraction form
    3,379.42/5,055.58 = 2,922.13/x
  3. Step 3: Cross multiply
    3,379.42x = 5,055.58 × 2,922.13
  4. Step 4: Simplify right side
    3,379.42x = 14,773,061.99
  5. Step 5: Solve for x
    x = 14,773,061.99/3,379.42
  6. Step 6: Final answer
    x = 4,371.48

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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.