Home / 2,707.56-3,737.75-2,108.88

Finding the Fourth Proportional to 2,707.56, 3,737.75 and 2,108.88

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Solution

The fourth proportional to 2,707.56, 3,737.75 and 2,108.88 is: 2,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.56 : 3,737.75 = 2,108.88 : x
  2. Step 2: Convert to fraction form
    2,707.56/3,737.75 = 2,108.88/x
  3. Step 3: Cross multiply
    2,707.56x = 3,737.75 × 2,108.88
  4. Step 4: Simplify right side
    2,707.56x = 7,882,455.68
  5. Step 5: Solve for x
    x = 7,882,455.68/2,707.56
  6. Step 6: Final answer
    x = 2,911.28

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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.