Home / 4,197.78-5,792.90-2,309.31

Finding the Fourth Proportional to 4,197.78, 5,792.90 and 2,309.31

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Solution

The fourth proportional to 4,197.78, 5,792.90 and 2,309.31 is: 3,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.78 : 5,792.90 = 2,309.31 : x
  2. Step 2: Convert to fraction form
    4,197.78/5,792.90 = 2,309.31/x
  3. Step 3: Cross multiply
    4,197.78x = 5,792.90 × 2,309.31
  4. Step 4: Simplify right side
    4,197.78x = 13,377,590.35
  5. Step 5: Solve for x
    x = 13,377,590.35/4,197.78
  6. Step 6: Final answer
    x = 3,186.83

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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.