Home / 3,176.08-4,382.96-1,778.82

Finding the Fourth Proportional to 3,176.08, 4,382.96 and 1,778.82

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Solution

The fourth proportional to 3,176.08, 4,382.96 and 1,778.82 is: 2,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.08 : 4,382.96 = 1,778.82 : x
  2. Step 2: Convert to fraction form
    3,176.08/4,382.96 = 1,778.82/x
  3. Step 3: Cross multiply
    3,176.08x = 4,382.96 × 1,778.82
  4. Step 4: Simplify right side
    3,176.08x = 7,796,496.91
  5. Step 5: Solve for x
    x = 7,796,496.91/3,176.08
  6. Step 6: Final answer
    x = 2,454.75

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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.