Home / 3,108.92-4,289.58-2,270.07

Finding the Fourth Proportional to 3,108.92, 4,289.58 and 2,270.07

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Solution

The fourth proportional to 3,108.92, 4,289.58 and 2,270.07 is: 3,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.92 : 4,289.58 = 2,270.07 : x
  2. Step 2: Convert to fraction form
    3,108.92/4,289.58 = 2,270.07/x
  3. Step 3: Cross multiply
    3,108.92x = 4,289.58 × 2,270.07
  4. Step 4: Simplify right side
    3,108.92x = 9,737,646.87
  5. Step 5: Solve for x
    x = 9,737,646.87/3,108.92
  6. Step 6: Final answer
    x = 3,132.17

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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.