Home / 3,729.81-5,584.59-2,631.45

Finding the Fourth Proportional to 3,729.81, 5,584.59 and 2,631.45

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Solution

The fourth proportional to 3,729.81, 5,584.59 and 2,631.45 is: 3,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.81 : 5,584.59 = 2,631.45 : x
  2. Step 2: Convert to fraction form
    3,729.81/5,584.59 = 2,631.45/x
  3. Step 3: Cross multiply
    3,729.81x = 5,584.59 × 2,631.45
  4. Step 4: Simplify right side
    3,729.81x = 14,695,569.36
  5. Step 5: Solve for x
    x = 14,695,569.36/3,729.81
  6. Step 6: Final answer
    x = 3,940.03

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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.