Home / 3,055.24-4,582.86-863.79

Finding the Fourth Proportional to 3,055.24, 4,582.86 and 863.79

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Solution

The fourth proportional to 3,055.24, 4,582.86 and 863.79 is: 1,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.24 : 4,582.86 = 863.79 : x
  2. Step 2: Convert to fraction form
    3,055.24/4,582.86 = 863.79/x
  3. Step 3: Cross multiply
    3,055.24x = 4,582.86 × 863.79
  4. Step 4: Simplify right side
    3,055.24x = 3,958,628.64
  5. Step 5: Solve for x
    x = 3,958,628.64/3,055.24
  6. Step 6: Final answer
    x = 1,295.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.