Home / 3,827.78-5,743.10-2,606.70

Finding the Fourth Proportional to 3,827.78, 5,743.10 and 2,606.70

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Solution

The fourth proportional to 3,827.78, 5,743.10 and 2,606.70 is: 3,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.78 : 5,743.10 = 2,606.70 : x
  2. Step 2: Convert to fraction form
    3,827.78/5,743.10 = 2,606.70/x
  3. Step 3: Cross multiply
    3,827.78x = 5,743.10 × 2,606.70
  4. Step 4: Simplify right side
    3,827.78x = 14,970,525.74
  5. Step 5: Solve for x
    x = 14,970,525.74/3,827.78
  6. Step 6: Final answer
    x = 3,911.03

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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.