Home / 3,148.71-4,344.33-1,889.20

Finding the Fourth Proportional to 3,148.71, 4,344.33 and 1,889.20

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Solution

The fourth proportional to 3,148.71, 4,344.33 and 1,889.20 is: 2,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.71 : 4,344.33 = 1,889.20 : x
  2. Step 2: Convert to fraction form
    3,148.71/4,344.33 = 1,889.20/x
  3. Step 3: Cross multiply
    3,148.71x = 4,344.33 × 1,889.20
  4. Step 4: Simplify right side
    3,148.71x = 8,207,308.24
  5. Step 5: Solve for x
    x = 8,207,308.24/3,148.71
  6. Step 6: Final answer
    x = 2,606.56

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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.