Home / 3,753.14-5,178.75-2,180.96

Finding the Fourth Proportional to 3,753.14, 5,178.75 and 2,180.96

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Solution

The fourth proportional to 3,753.14, 5,178.75 and 2,180.96 is: 3,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.14 : 5,178.75 = 2,180.96 : x
  2. Step 2: Convert to fraction form
    3,753.14/5,178.75 = 2,180.96/x
  3. Step 3: Cross multiply
    3,753.14x = 5,178.75 × 2,180.96
  4. Step 4: Simplify right side
    3,753.14x = 11,294,646.60
  5. Step 5: Solve for x
    x = 11,294,646.60/3,753.14
  6. Step 6: Final answer
    x = 3,009.39

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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.