Home / 4,099.80-5,658.06-2,331.96

Finding the Fourth Proportional to 4,099.80, 5,658.06 and 2,331.96

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Solution

The fourth proportional to 4,099.80, 5,658.06 and 2,331.96 is: 3,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.80 : 5,658.06 = 2,331.96 : x
  2. Step 2: Convert to fraction form
    4,099.80/5,658.06 = 2,331.96/x
  3. Step 3: Cross multiply
    4,099.80x = 5,658.06 × 2,331.96
  4. Step 4: Simplify right side
    4,099.80x = 13,194,369.60
  5. Step 5: Solve for x
    x = 13,194,369.60/4,099.80
  6. Step 6: Final answer
    x = 3,218.30

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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.