Home / 3,195.57-4,400.35-3,122.79

Finding the Fourth Proportional to 3,195.57, 4,400.35 and 3,122.79

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Solution

The fourth proportional to 3,195.57, 4,400.35 and 3,122.79 is: 4,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.57 : 4,400.35 = 3,122.79 : x
  2. Step 2: Convert to fraction form
    3,195.57/4,400.35 = 3,122.79/x
  3. Step 3: Cross multiply
    3,195.57x = 4,400.35 × 3,122.79
  4. Step 4: Simplify right side
    3,195.57x = 13,741,368.98
  5. Step 5: Solve for x
    x = 13,741,368.98/3,195.57
  6. Step 6: Final answer
    x = 4,300.13

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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.