Home / 4,149.69-5,726.46-2,261.32

Finding the Fourth Proportional to 4,149.69, 5,726.46 and 2,261.32

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Solution

The fourth proportional to 4,149.69, 5,726.46 and 2,261.32 is: 3,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.69 : 5,726.46 = 2,261.32 : x
  2. Step 2: Convert to fraction form
    4,149.69/5,726.46 = 2,261.32/x
  3. Step 3: Cross multiply
    4,149.69x = 5,726.46 × 2,261.32
  4. Step 4: Simplify right side
    4,149.69x = 12,949,344.21
  5. Step 5: Solve for x
    x = 12,949,344.21/4,149.69
  6. Step 6: Final answer
    x = 3,120.56

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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.