Home / 3,995.60-5,986.72-2,823.66

Finding the Fourth Proportional to 3,995.60, 5,986.72 and 2,823.66

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Solution

The fourth proportional to 3,995.60, 5,986.72 and 2,823.66 is: 4,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.60 : 5,986.72 = 2,823.66 : x
  2. Step 2: Convert to fraction form
    3,995.60/5,986.72 = 2,823.66/x
  3. Step 3: Cross multiply
    3,995.60x = 5,986.72 × 2,823.66
  4. Step 4: Simplify right side
    3,995.60x = 16,904,461.80
  5. Step 5: Solve for x
    x = 16,904,461.80/3,995.60
  6. Step 6: Final answer
    x = 4,230.77

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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.