Home / 2,555.55-3,829.68-1,773.90

Finding the Fourth Proportional to 2,555.55, 3,829.68 and 1,773.90

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Solution

The fourth proportional to 2,555.55, 3,829.68 and 1,773.90 is: 2,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.55 : 3,829.68 = 1,773.90 : x
  2. Step 2: Convert to fraction form
    2,555.55/3,829.68 = 1,773.90/x
  3. Step 3: Cross multiply
    2,555.55x = 3,829.68 × 1,773.90
  4. Step 4: Simplify right side
    2,555.55x = 6,793,469.35
  5. Step 5: Solve for x
    x = 6,793,469.35/2,555.55
  6. Step 6: Final answer
    x = 2,658.32

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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.