Home / 3,681.58-5,080.62-2,110

Finding the Fourth Proportional to 3,681.58, 5,080.62 and 2,110

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Solution

The fourth proportional to 3,681.58, 5,080.62 and 2,110 is: 2,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.58 : 5,080.62 = 2,110 : x
  2. Step 2: Convert to fraction form
    3,681.58/5,080.62 = 2,110/x
  3. Step 3: Cross multiply
    3,681.58x = 5,080.62 × 2,110
  4. Step 4: Simplify right side
    3,681.58x = 10,720,108.20
  5. Step 5: Solve for x
    x = 10,720,108.20/3,681.58
  6. Step 6: Final answer
    x = 2,911.82

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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.