Home / 3,222.10-4,437.48-2,930.50

Finding the Fourth Proportional to 3,222.10, 4,437.48 and 2,930.50

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Solution

The fourth proportional to 3,222.10, 4,437.48 and 2,930.50 is: 4,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.10 : 4,437.48 = 2,930.50 : x
  2. Step 2: Convert to fraction form
    3,222.10/4,437.48 = 2,930.50/x
  3. Step 3: Cross multiply
    3,222.10x = 4,437.48 × 2,930.50
  4. Step 4: Simplify right side
    3,222.10x = 13,004,035.14
  5. Step 5: Solve for x
    x = 13,004,035.14/3,222.10
  6. Step 6: Final answer
    x = 4,035.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.