Home / 3,580.11-4,939.83-2,087.91

Finding the Fourth Proportional to 3,580.11, 4,939.83 and 2,087.91

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Solution

The fourth proportional to 3,580.11, 4,939.83 and 2,087.91 is: 2,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.11 : 4,939.83 = 2,087.91 : x
  2. Step 2: Convert to fraction form
    3,580.11/4,939.83 = 2,087.91/x
  3. Step 3: Cross multiply
    3,580.11x = 4,939.83 × 2,087.91
  4. Step 4: Simplify right side
    3,580.11x = 10,313,920.46
  5. Step 5: Solve for x
    x = 10,313,920.46/3,580.11
  6. Step 6: Final answer
    x = 2,880.89

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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.