Home / 3,721.31-5,581.81-1,529.98

Finding the Fourth Proportional to 3,721.31, 5,581.81 and 1,529.98

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Solution

The fourth proportional to 3,721.31, 5,581.81 and 1,529.98 is: 2,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.31 : 5,581.81 = 1,529.98 : x
  2. Step 2: Convert to fraction form
    3,721.31/5,581.81 = 1,529.98/x
  3. Step 3: Cross multiply
    3,721.31x = 5,581.81 × 1,529.98
  4. Step 4: Simplify right side
    3,721.31x = 8,540,057.66
  5. Step 5: Solve for x
    x = 8,540,057.66/3,721.31
  6. Step 6: Final answer
    x = 2,294.91

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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.