Home / 3,148.08-4,344.49-1,821.52

Finding the Fourth Proportional to 3,148.08, 4,344.49 and 1,821.52

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Solution

The fourth proportional to 3,148.08, 4,344.49 and 1,821.52 is: 2,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.08 : 4,344.49 = 1,821.52 : x
  2. Step 2: Convert to fraction form
    3,148.08/4,344.49 = 1,821.52/x
  3. Step 3: Cross multiply
    3,148.08x = 4,344.49 × 1,821.52
  4. Step 4: Simplify right side
    3,148.08x = 7,913,591.28
  5. Step 5: Solve for x
    x = 7,913,591.28/3,148.08
  6. Step 6: Final answer
    x = 2,513.79

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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.