Home / 3,099.90-4,277.88-1,773.66

Finding the Fourth Proportional to 3,099.90, 4,277.88 and 1,773.66

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Solution

The fourth proportional to 3,099.90, 4,277.88 and 1,773.66 is: 2,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.90 : 4,277.88 = 1,773.66 : x
  2. Step 2: Convert to fraction form
    3,099.90/4,277.88 = 1,773.66/x
  3. Step 3: Cross multiply
    3,099.90x = 4,277.88 × 1,773.66
  4. Step 4: Simplify right side
    3,099.90x = 7,587,504.64
  5. Step 5: Solve for x
    x = 7,587,504.64/3,099.90
  6. Step 6: Final answer
    x = 2,447.66

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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.