Home / 3,663.72-5,055.48-2,338.20

Finding the Fourth Proportional to 3,663.72, 5,055.48 and 2,338.20

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Solution

The fourth proportional to 3,663.72, 5,055.48 and 2,338.20 is: 3,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.72 : 5,055.48 = 2,338.20 : x
  2. Step 2: Convert to fraction form
    3,663.72/5,055.48 = 2,338.20/x
  3. Step 3: Cross multiply
    3,663.72x = 5,055.48 × 2,338.20
  4. Step 4: Simplify right side
    3,663.72x = 11,820,723.34
  5. Step 5: Solve for x
    x = 11,820,723.34/3,663.72
  6. Step 6: Final answer
    x = 3,226.43

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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.