Home / 2,379.73-3,284.14-1,317.49

Finding the Fourth Proportional to 2,379.73, 3,284.14 and 1,317.49

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Solution

The fourth proportional to 2,379.73, 3,284.14 and 1,317.49 is: 1,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.73 : 3,284.14 = 1,317.49 : x
  2. Step 2: Convert to fraction form
    2,379.73/3,284.14 = 1,317.49/x
  3. Step 3: Cross multiply
    2,379.73x = 3,284.14 × 1,317.49
  4. Step 4: Simplify right side
    2,379.73x = 4,326,821.61
  5. Step 5: Solve for x
    x = 4,326,821.61/2,379.73
  6. Step 6: Final answer
    x = 1,818.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.