Home / 3,620.74-5,431.11-2,330.41

Finding the Fourth Proportional to 3,620.74, 5,431.11 and 2,330.41

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Solution

The fourth proportional to 3,620.74, 5,431.11 and 2,330.41 is: 3,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.74 : 5,431.11 = 2,330.41 : x
  2. Step 2: Convert to fraction form
    3,620.74/5,431.11 = 2,330.41/x
  3. Step 3: Cross multiply
    3,620.74x = 5,431.11 × 2,330.41
  4. Step 4: Simplify right side
    3,620.74x = 12,656,674.25
  5. Step 5: Solve for x
    x = 12,656,674.25/3,620.74
  6. Step 6: Final answer
    x = 3,495.61

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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.