Home / 3,148.94-4,344-1,889.30

Finding the Fourth Proportional to 3,148.94, 4,344 and 1,889.30

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Solution

The fourth proportional to 3,148.94, 4,344 and 1,889.30 is: 2,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.94 : 4,344 = 1,889.30 : x
  2. Step 2: Convert to fraction form
    3,148.94/4,344 = 1,889.30/x
  3. Step 3: Cross multiply
    3,148.94x = 4,344 × 1,889.30
  4. Step 4: Simplify right side
    3,148.94x = 8,207,119.20
  5. Step 5: Solve for x
    x = 8,207,119.20/3,148.94
  6. Step 6: Final answer
    x = 2,606.31

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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.