Home / 3,681.20-5,080.01-2,002.62

Finding the Fourth Proportional to 3,681.20, 5,080.01 and 2,002.62

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Solution

The fourth proportional to 3,681.20, 5,080.01 and 2,002.62 is: 2,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.20 : 5,080.01 = 2,002.62 : x
  2. Step 2: Convert to fraction form
    3,681.20/5,080.01 = 2,002.62/x
  3. Step 3: Cross multiply
    3,681.20x = 5,080.01 × 2,002.62
  4. Step 4: Simplify right side
    3,681.20x = 10,173,338.66
  5. Step 5: Solve for x
    x = 10,173,338.66/3,681.20
  6. Step 6: Final answer
    x = 2,763.59

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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.