Home / 3,801.62-5,246.58-2,309.91

Finding the Fourth Proportional to 3,801.62, 5,246.58 and 2,309.91

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Solution

The fourth proportional to 3,801.62, 5,246.58 and 2,309.91 is: 3,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.62 : 5,246.58 = 2,309.91 : x
  2. Step 2: Convert to fraction form
    3,801.62/5,246.58 = 2,309.91/x
  3. Step 3: Cross multiply
    3,801.62x = 5,246.58 × 2,309.91
  4. Step 4: Simplify right side
    3,801.62x = 12,119,127.61
  5. Step 5: Solve for x
    x = 12,119,127.61/3,801.62
  6. Step 6: Final answer
    x = 3,187.89

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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.