Home / 2,634.11-3,635.04-1,515.03

Finding the Fourth Proportional to 2,634.11, 3,635.04 and 1,515.03

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Solution

The fourth proportional to 2,634.11, 3,635.04 and 1,515.03 is: 2,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.11 : 3,635.04 = 1,515.03 : x
  2. Step 2: Convert to fraction form
    2,634.11/3,635.04 = 1,515.03/x
  3. Step 3: Cross multiply
    2,634.11x = 3,635.04 × 1,515.03
  4. Step 4: Simplify right side
    2,634.11x = 5,507,194.65
  5. Step 5: Solve for x
    x = 5,507,194.65/2,634.11
  6. Step 6: Final answer
    x = 2,090.72

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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.