Home / 3,148.49-4,344.54-1,822.61

Finding the Fourth Proportional to 3,148.49, 4,344.54 and 1,822.61

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Solution

The fourth proportional to 3,148.49, 4,344.54 and 1,822.61 is: 2,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.49 : 4,344.54 = 1,822.61 : x
  2. Step 2: Convert to fraction form
    3,148.49/4,344.54 = 1,822.61/x
  3. Step 3: Cross multiply
    3,148.49x = 4,344.54 × 1,822.61
  4. Step 4: Simplify right side
    3,148.49x = 7,918,402.05
  5. Step 5: Solve for x
    x = 7,918,402.05/3,148.49
  6. Step 6: Final answer
    x = 2,514.98

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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.