Home / 3,747.67-5,169.10-2,628.86

Finding the Fourth Proportional to 3,747.67, 5,169.10 and 2,628.86

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Solution

The fourth proportional to 3,747.67, 5,169.10 and 2,628.86 is: 3,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.67 : 5,169.10 = 2,628.86 : x
  2. Step 2: Convert to fraction form
    3,747.67/5,169.10 = 2,628.86/x
  3. Step 3: Cross multiply
    3,747.67x = 5,169.10 × 2,628.86
  4. Step 4: Simplify right side
    3,747.67x = 13,588,801.24
  5. Step 5: Solve for x
    x = 13,588,801.24/3,747.67
  6. Step 6: Final answer
    x = 3,625.94

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1.5x scale

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.