Home / 3,681.90-5,080.97-2,003.29

Finding the Fourth Proportional to 3,681.90, 5,080.97 and 2,003.29

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Solution

The fourth proportional to 3,681.90, 5,080.97 and 2,003.29 is: 2,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.90 : 5,080.97 = 2,003.29 : x
  2. Step 2: Convert to fraction form
    3,681.90/5,080.97 = 2,003.29/x
  3. Step 3: Cross multiply
    3,681.90x = 5,080.97 × 2,003.29
  4. Step 4: Simplify right side
    3,681.90x = 10,178,648.70
  5. Step 5: Solve for x
    x = 10,178,648.70/3,681.90
  6. Step 6: Final answer
    x = 2,764.51

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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.