Home / 3,755.16-5,179.24-2,261.52

Finding the Fourth Proportional to 3,755.16, 5,179.24 and 2,261.52

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Solution

The fourth proportional to 3,755.16, 5,179.24 and 2,261.52 is: 3,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.16 : 5,179.24 = 2,261.52 : x
  2. Step 2: Convert to fraction form
    3,755.16/5,179.24 = 2,261.52/x
  3. Step 3: Cross multiply
    3,755.16x = 5,179.24 × 2,261.52
  4. Step 4: Simplify right side
    3,755.16x = 11,712,954.84
  5. Step 5: Solve for x
    x = 11,712,954.84/3,755.16
  6. Step 6: Final answer
    x = 3,119.16

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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.