Home / 3,148.95-4,343.82-1,953.52

Finding the Fourth Proportional to 3,148.95, 4,343.82 and 1,953.52

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Solution

The fourth proportional to 3,148.95, 4,343.82 and 1,953.52 is: 2,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.95 : 4,343.82 = 1,953.52 : x
  2. Step 2: Convert to fraction form
    3,148.95/4,343.82 = 1,953.52/x
  3. Step 3: Cross multiply
    3,148.95x = 4,343.82 × 1,953.52
  4. Step 4: Simplify right side
    3,148.95x = 8,485,739.25
  5. Step 5: Solve for x
    x = 8,485,739.25/3,148.95
  6. Step 6: Final answer
    x = 2,694.78

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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.