Home / 3,354.98-5,030.46-1,379.07

Finding the Fourth Proportional to 3,354.98, 5,030.46 and 1,379.07

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Solution

The fourth proportional to 3,354.98, 5,030.46 and 1,379.07 is: 2,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.98 : 5,030.46 = 1,379.07 : x
  2. Step 2: Convert to fraction form
    3,354.98/5,030.46 = 1,379.07/x
  3. Step 3: Cross multiply
    3,354.98x = 5,030.46 × 1,379.07
  4. Step 4: Simplify right side
    3,354.98x = 6,937,356.47
  5. Step 5: Solve for x
    x = 6,937,356.47/3,354.98
  6. Step 6: Final answer
    x = 2,067.78

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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.