Home / 3,996.78-5,519.04-2,507.26

Finding the Fourth Proportional to 3,996.78, 5,519.04 and 2,507.26

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Solution

The fourth proportional to 3,996.78, 5,519.04 and 2,507.26 is: 3,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.78 : 5,519.04 = 2,507.26 : x
  2. Step 2: Convert to fraction form
    3,996.78/5,519.04 = 2,507.26/x
  3. Step 3: Cross multiply
    3,996.78x = 5,519.04 × 2,507.26
  4. Step 4: Simplify right side
    3,996.78x = 13,837,668.23
  5. Step 5: Solve for x
    x = 13,837,668.23/3,996.78
  6. Step 6: Final answer
    x = 3,462.20

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1.5x scale

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.