Home / 3,818.02-5,727.21-1,185.59

Finding the Fourth Proportional to 3,818.02, 5,727.21 and 1,185.59

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Solution

The fourth proportional to 3,818.02, 5,727.21 and 1,185.59 is: 1,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.02 : 5,727.21 = 1,185.59 : x
  2. Step 2: Convert to fraction form
    3,818.02/5,727.21 = 1,185.59/x
  3. Step 3: Cross multiply
    3,818.02x = 5,727.21 × 1,185.59
  4. Step 4: Simplify right side
    3,818.02x = 6,790,136.80
  5. Step 5: Solve for x
    x = 6,790,136.80/3,818.02
  6. Step 6: Final answer
    x = 1,778.44

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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.