Home / 3,580.24-4,940.88-2,182

Finding the Fourth Proportional to 3,580.24, 4,940.88 and 2,182

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Solution

The fourth proportional to 3,580.24, 4,940.88 and 2,182 is: 3,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.24 : 4,940.88 = 2,182 : x
  2. Step 2: Convert to fraction form
    3,580.24/4,940.88 = 2,182/x
  3. Step 3: Cross multiply
    3,580.24x = 4,940.88 × 2,182
  4. Step 4: Simplify right side
    3,580.24x = 10,781,000.16
  5. Step 5: Solve for x
    x = 10,781,000.16/3,580.24
  6. Step 6: Final answer
    x = 3,011.25

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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.