Home / 3,681.10-5,080-2,002.62

Finding the Fourth Proportional to 3,681.10, 5,080 and 2,002.62

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Solution

The fourth proportional to 3,681.10, 5,080 and 2,002.62 is: 2,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.10 : 5,080 = 2,002.62 : x
  2. Step 2: Convert to fraction form
    3,681.10/5,080 = 2,002.62/x
  3. Step 3: Cross multiply
    3,681.10x = 5,080 × 2,002.62
  4. Step 4: Simplify right side
    3,681.10x = 10,173,309.60
  5. Step 5: Solve for x
    x = 10,173,309.60/3,681.10
  6. Step 6: Final answer
    x = 2,763.66

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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.