Home / 3,189.41-4,401.64-1,773.55

Finding the Fourth Proportional to 3,189.41, 4,401.64 and 1,773.55

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Solution

The fourth proportional to 3,189.41, 4,401.64 and 1,773.55 is: 2,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.41 : 4,401.64 = 1,773.55 : x
  2. Step 2: Convert to fraction form
    3,189.41/4,401.64 = 1,773.55/x
  3. Step 3: Cross multiply
    3,189.41x = 4,401.64 × 1,773.55
  4. Step 4: Simplify right side
    3,189.41x = 7,806,528.62
  5. Step 5: Solve for x
    x = 7,806,528.62/3,189.41
  6. Step 6: Final answer
    x = 2,447.64

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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.