Home / 3,447.72-4,760.10-2,270.79

Finding the Fourth Proportional to 3,447.72, 4,760.10 and 2,270.79

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Solution

The fourth proportional to 3,447.72, 4,760.10 and 2,270.79 is: 3,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.72 : 4,760.10 = 2,270.79 : x
  2. Step 2: Convert to fraction form
    3,447.72/4,760.10 = 2,270.79/x
  3. Step 3: Cross multiply
    3,447.72x = 4,760.10 × 2,270.79
  4. Step 4: Simplify right side
    3,447.72x = 10,809,187.48
  5. Step 5: Solve for x
    x = 10,809,187.48/3,447.72
  6. Step 6: Final answer
    x = 3,135.17

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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.