Home / 4,118.21-5,683.14-2,229.80

Finding the Fourth Proportional to 4,118.21, 5,683.14 and 2,229.80

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Solution

The fourth proportional to 4,118.21, 5,683.14 and 2,229.80 is: 3,077.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.21 : 5,683.14 = 2,229.80 : x
  2. Step 2: Convert to fraction form
    4,118.21/5,683.14 = 2,229.80/x
  3. Step 3: Cross multiply
    4,118.21x = 5,683.14 × 2,229.80
  4. Step 4: Simplify right side
    4,118.21x = 12,672,231.58
  5. Step 5: Solve for x
    x = 12,672,231.58/4,118.21
  6. Step 6: Final answer
    x = 3,077.12

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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.