Home / 3,744.45-5,614.31-1,988.37

Finding the Fourth Proportional to 3,744.45, 5,614.31 and 1,988.37

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Solution

The fourth proportional to 3,744.45, 5,614.31 and 1,988.37 is: 2,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.45 : 5,614.31 = 1,988.37 : x
  2. Step 2: Convert to fraction form
    3,744.45/5,614.31 = 1,988.37/x
  3. Step 3: Cross multiply
    3,744.45x = 5,614.31 × 1,988.37
  4. Step 4: Simplify right side
    3,744.45x = 11,163,330.55
  5. Step 5: Solve for x
    x = 11,163,330.55/3,744.45
  6. Step 6: Final answer
    x = 2,981.30

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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.