Home / 3,753.25-5,178.75-2,261.27

Finding the Fourth Proportional to 3,753.25, 5,178.75 and 2,261.27

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Solution

The fourth proportional to 3,753.25, 5,178.75 and 2,261.27 is: 3,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.25 : 5,178.75 = 2,261.27 : x
  2. Step 2: Convert to fraction form
    3,753.25/5,178.75 = 2,261.27/x
  3. Step 3: Cross multiply
    3,753.25x = 5,178.75 × 2,261.27
  4. Step 4: Simplify right side
    3,753.25x = 11,710,530.53
  5. Step 5: Solve for x
    x = 11,710,530.53/3,753.25
  6. Step 6: Final answer
    x = 3,120.10

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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.