Home / 3,752.95-5,179.25-2,261.33

Finding the Fourth Proportional to 3,752.95, 5,179.25 and 2,261.33

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Solution

The fourth proportional to 3,752.95, 5,179.25 and 2,261.33 is: 3,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.95 : 5,179.25 = 2,261.33 : x
  2. Step 2: Convert to fraction form
    3,752.95/5,179.25 = 2,261.33/x
  3. Step 3: Cross multiply
    3,752.95x = 5,179.25 × 2,261.33
  4. Step 4: Simplify right side
    3,752.95x = 11,711,993.40
  5. Step 5: Solve for x
    x = 11,711,993.40/3,752.95
  6. Step 6: Final answer
    x = 3,120.74

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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.