Home / 4,134.71-5,707.82-2,720.45

Finding the Fourth Proportional to 4,134.71, 5,707.82 and 2,720.45

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Solution

The fourth proportional to 4,134.71, 5,707.82 and 2,720.45 is: 3,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.71 : 5,707.82 = 2,720.45 : x
  2. Step 2: Convert to fraction form
    4,134.71/5,707.82 = 2,720.45/x
  3. Step 3: Cross multiply
    4,134.71x = 5,707.82 × 2,720.45
  4. Step 4: Simplify right side
    4,134.71x = 15,527,838.92
  5. Step 5: Solve for x
    x = 15,527,838.92/4,134.71
  6. Step 6: Final answer
    x = 3,755.48

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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.