Home / 3,581.64-5,371.51-2,538.56

Finding the Fourth Proportional to 3,581.64, 5,371.51 and 2,538.56

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Solution

The fourth proportional to 3,581.64, 5,371.51 and 2,538.56 is: 3,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.64 : 5,371.51 = 2,538.56 : x
  2. Step 2: Convert to fraction form
    3,581.64/5,371.51 = 2,538.56/x
  3. Step 3: Cross multiply
    3,581.64x = 5,371.51 × 2,538.56
  4. Step 4: Simplify right side
    3,581.64x = 13,635,913.85
  5. Step 5: Solve for x
    x = 13,635,913.85/3,581.64
  6. Step 6: Final answer
    x = 3,807.17

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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.