Home / 3,729.80-5,583.90-2,809.24

Finding the Fourth Proportional to 3,729.80, 5,583.90 and 2,809.24

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Solution

The fourth proportional to 3,729.80, 5,583.90 and 2,809.24 is: 4,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.80 : 5,583.90 = 2,809.24 : x
  2. Step 2: Convert to fraction form
    3,729.80/5,583.90 = 2,809.24/x
  3. Step 3: Cross multiply
    3,729.80x = 5,583.90 × 2,809.24
  4. Step 4: Simplify right side
    3,729.80x = 15,686,511.81
  5. Step 5: Solve for x
    x = 15,686,511.81/3,729.80
  6. Step 6: Final answer
    x = 4,205.72

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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.