Home / 2,634.12-3,635.28-1,515.17

Finding the Fourth Proportional to 2,634.12, 3,635.28 and 1,515.17

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Solution

The fourth proportional to 2,634.12, 3,635.28 and 1,515.17 is: 2,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.12 : 3,635.28 = 1,515.17 : x
  2. Step 2: Convert to fraction form
    2,634.12/3,635.28 = 1,515.17/x
  3. Step 3: Cross multiply
    2,634.12x = 3,635.28 × 1,515.17
  4. Step 4: Simplify right side
    2,634.12x = 5,508,076.29
  5. Step 5: Solve for x
    x = 5,508,076.29/2,634.12
  6. Step 6: Final answer
    x = 2,091.05

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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.