Home / 3,089.70-4,631.31-2,223.54

Finding the Fourth Proportional to 3,089.70, 4,631.31 and 2,223.54

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Solution

The fourth proportional to 3,089.70, 4,631.31 and 2,223.54 is: 3,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.70 : 4,631.31 = 2,223.54 : x
  2. Step 2: Convert to fraction form
    3,089.70/4,631.31 = 2,223.54/x
  3. Step 3: Cross multiply
    3,089.70x = 4,631.31 × 2,223.54
  4. Step 4: Simplify right side
    3,089.70x = 10,297,903.04
  5. Step 5: Solve for x
    x = 10,297,903.04/3,089.70
  6. Step 6: Final answer
    x = 3,332.98

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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.