Home / 3,941.65-5,436.75-3,195.64

Finding the Fourth Proportional to 3,941.65, 5,436.75 and 3,195.64

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Solution

The fourth proportional to 3,941.65, 5,436.75 and 3,195.64 is: 4,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.65 : 5,436.75 = 3,195.64 : x
  2. Step 2: Convert to fraction form
    3,941.65/5,436.75 = 3,195.64/x
  3. Step 3: Cross multiply
    3,941.65x = 5,436.75 × 3,195.64
  4. Step 4: Simplify right side
    3,941.65x = 17,373,895.77
  5. Step 5: Solve for x
    x = 17,373,895.77/3,941.65
  6. Step 6: Final answer
    x = 4,407.77

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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.