Home / 4,149.78-5,726.54-2,261.32

Finding the Fourth Proportional to 4,149.78, 5,726.54 and 2,261.32

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Solution

The fourth proportional to 4,149.78, 5,726.54 and 2,261.32 is: 3,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.78 : 5,726.54 = 2,261.32 : x
  2. Step 2: Convert to fraction form
    4,149.78/5,726.54 = 2,261.32/x
  3. Step 3: Cross multiply
    4,149.78x = 5,726.54 × 2,261.32
  4. Step 4: Simplify right side
    4,149.78x = 12,949,539.43
  5. Step 5: Solve for x
    x = 12,949,539.43/4,149.78
  6. Step 6: Final answer
    x = 3,120.54

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Half scale
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Double scale
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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.