Home / 2,281.82-3,147.31-1,930.08

Finding the Fourth Proportional to 2,281.82, 3,147.31 and 1,930.08

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Solution

The fourth proportional to 2,281.82, 3,147.31 and 1,930.08 is: 2,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.82 : 3,147.31 = 1,930.08 : x
  2. Step 2: Convert to fraction form
    2,281.82/3,147.31 = 1,930.08/x
  3. Step 3: Cross multiply
    2,281.82x = 3,147.31 × 1,930.08
  4. Step 4: Simplify right side
    2,281.82x = 6,074,555.26
  5. Step 5: Solve for x
    x = 6,074,555.26/2,281.82
  6. Step 6: Final answer
    x = 2,662.15

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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.