Home / 3,195.45-4,409.79-1,869.92

Finding the Fourth Proportional to 3,195.45, 4,409.79 and 1,869.92

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Solution

The fourth proportional to 3,195.45, 4,409.79 and 1,869.92 is: 2,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.45 : 4,409.79 = 1,869.92 : x
  2. Step 2: Convert to fraction form
    3,195.45/4,409.79 = 1,869.92/x
  3. Step 3: Cross multiply
    3,195.45x = 4,409.79 × 1,869.92
  4. Step 4: Simplify right side
    3,195.45x = 8,245,932.47
  5. Step 5: Solve for x
    x = 8,245,932.47/3,195.45
  6. Step 6: Final answer
    x = 2,580.52

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1.5x scale

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.