Home / 3,195.75-4,409.74-1,851.34

Finding the Fourth Proportional to 3,195.75, 4,409.74 and 1,851.34

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Solution

The fourth proportional to 3,195.75, 4,409.74 and 1,851.34 is: 2,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.75 : 4,409.74 = 1,851.34 : x
  2. Step 2: Convert to fraction form
    3,195.75/4,409.74 = 1,851.34/x
  3. Step 3: Cross multiply
    3,195.75x = 4,409.74 × 1,851.34
  4. Step 4: Simplify right side
    3,195.75x = 8,163,928.94
  5. Step 5: Solve for x
    x = 8,163,928.94/3,195.75
  6. Step 6: Final answer
    x = 2,554.62

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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.