Home / 3,119.80-4,673.67-2,458.18

Finding the Fourth Proportional to 3,119.80, 4,673.67 and 2,458.18

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Solution

The fourth proportional to 3,119.80, 4,673.67 and 2,458.18 is: 3,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.80 : 4,673.67 = 2,458.18 : x
  2. Step 2: Convert to fraction form
    3,119.80/4,673.67 = 2,458.18/x
  3. Step 3: Cross multiply
    3,119.80x = 4,673.67 × 2,458.18
  4. Step 4: Simplify right side
    3,119.80x = 11,488,722.12
  5. Step 5: Solve for x
    x = 11,488,722.12/3,119.80
  6. Step 6: Final answer
    x = 3,682.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.