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Finding the Fourth Proportional to 3,191.71, 4,404.22 and 1,775.17

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Solution

The fourth proportional to 3,191.71, 4,404.22 and 1,775.17 is: 2,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.71 : 4,404.22 = 1,775.17 : x
  2. Step 2: Convert to fraction form
    3,191.71/4,404.22 = 1,775.17/x
  3. Step 3: Cross multiply
    3,191.71x = 4,404.22 × 1,775.17
  4. Step 4: Simplify right side
    3,191.71x = 7,818,225.50
  5. Step 5: Solve for x
    x = 7,818,225.50/3,191.71
  6. Step 6: Final answer
    x = 2,449.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.