Home / 3,190.44-4,402.28-1,774.09

Finding the Fourth Proportional to 3,190.44, 4,402.28 and 1,774.09

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Solution

The fourth proportional to 3,190.44, 4,402.28 and 1,774.09 is: 2,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.44 : 4,402.28 = 1,774.09 : x
  2. Step 2: Convert to fraction form
    3,190.44/4,402.28 = 1,774.09/x
  3. Step 3: Cross multiply
    3,190.44x = 4,402.28 × 1,774.09
  4. Step 4: Simplify right side
    3,190.44x = 7,810,040.93
  5. Step 5: Solve for x
    x = 7,810,040.93/3,190.44
  6. Step 6: Final answer
    x = 2,447.95

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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.