Home / 3,099.67-4,277.89-1,773.56

Finding the Fourth Proportional to 3,099.67, 4,277.89 and 1,773.56

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Solution

The fourth proportional to 3,099.67, 4,277.89 and 1,773.56 is: 2,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.67 : 4,277.89 = 1,773.56 : x
  2. Step 2: Convert to fraction form
    3,099.67/4,277.89 = 1,773.56/x
  3. Step 3: Cross multiply
    3,099.67x = 4,277.89 × 1,773.56
  4. Step 4: Simplify right side
    3,099.67x = 7,587,107.50
  5. Step 5: Solve for x
    x = 7,587,107.50/3,099.67
  6. Step 6: Final answer
    x = 2,447.72

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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.