Home / 3,919.52-5,407.92-2,348

Finding the Fourth Proportional to 3,919.52, 5,407.92 and 2,348

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Solution

The fourth proportional to 3,919.52, 5,407.92 and 2,348 is: 3,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.52 : 5,407.92 = 2,348 : x
  2. Step 2: Convert to fraction form
    3,919.52/5,407.92 = 2,348/x
  3. Step 3: Cross multiply
    3,919.52x = 5,407.92 × 2,348
  4. Step 4: Simplify right side
    3,919.52x = 12,697,796.16
  5. Step 5: Solve for x
    x = 12,697,796.16/3,919.52
  6. Step 6: Final answer
    x = 3,239.63

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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.