Home / 3,150.24-4,717.10-2,108.56

Finding the Fourth Proportional to 3,150.24, 4,717.10 and 2,108.56

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Solution

The fourth proportional to 3,150.24, 4,717.10 and 2,108.56 is: 3,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.24 : 4,717.10 = 2,108.56 : x
  2. Step 2: Convert to fraction form
    3,150.24/4,717.10 = 2,108.56/x
  3. Step 3: Cross multiply
    3,150.24x = 4,717.10 × 2,108.56
  4. Step 4: Simplify right side
    3,150.24x = 9,946,288.38
  5. Step 5: Solve for x
    x = 9,946,288.38/3,150.24
  6. Step 6: Final answer
    x = 3,157.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.