Home / 3,687.51-5,526.24-2,126.54

Finding the Fourth Proportional to 3,687.51, 5,526.24 and 2,126.54

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Solution

The fourth proportional to 3,687.51, 5,526.24 and 2,126.54 is: 3,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.51 : 5,526.24 = 2,126.54 : x
  2. Step 2: Convert to fraction form
    3,687.51/5,526.24 = 2,126.54/x
  3. Step 3: Cross multiply
    3,687.51x = 5,526.24 × 2,126.54
  4. Step 4: Simplify right side
    3,687.51x = 11,751,742.78
  5. Step 5: Solve for x
    x = 11,751,742.78/3,687.51
  6. Step 6: Final answer
    x = 3,186.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.