Home / 3,379.90-4,654.38-2,882.36

Finding the Fourth Proportional to 3,379.90, 4,654.38 and 2,882.36

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Solution

The fourth proportional to 3,379.90, 4,654.38 and 2,882.36 is: 3,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.90 : 4,654.38 = 2,882.36 : x
  2. Step 2: Convert to fraction form
    3,379.90/4,654.38 = 2,882.36/x
  3. Step 3: Cross multiply
    3,379.90x = 4,654.38 × 2,882.36
  4. Step 4: Simplify right side
    3,379.90x = 13,415,598.74
  5. Step 5: Solve for x
    x = 13,415,598.74/3,379.90
  6. Step 6: Final answer
    x = 3,969.23

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1.5x scale

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.