Home / 3,092.45-4,270.32-2,101.41

Finding the Fourth Proportional to 3,092.45, 4,270.32 and 2,101.41

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Solution

The fourth proportional to 3,092.45, 4,270.32 and 2,101.41 is: 2,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.45 : 4,270.32 = 2,101.41 : x
  2. Step 2: Convert to fraction form
    3,092.45/4,270.32 = 2,101.41/x
  3. Step 3: Cross multiply
    3,092.45x = 4,270.32 × 2,101.41
  4. Step 4: Simplify right side
    3,092.45x = 8,973,693.15
  5. Step 5: Solve for x
    x = 8,973,693.15/3,092.45
  6. Step 6: Final answer
    x = 2,901.81

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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.