Home / 3,941.09-5,438.56-2,261.31

Finding the Fourth Proportional to 3,941.09, 5,438.56 and 2,261.31

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Solution

The fourth proportional to 3,941.09, 5,438.56 and 2,261.31 is: 3,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.09 : 5,438.56 = 2,261.31 : x
  2. Step 2: Convert to fraction form
    3,941.09/5,438.56 = 2,261.31/x
  3. Step 3: Cross multiply
    3,941.09x = 5,438.56 × 2,261.31
  4. Step 4: Simplify right side
    3,941.09x = 12,298,270.11
  5. Step 5: Solve for x
    x = 12,298,270.11/3,941.09
  6. Step 6: Final answer
    x = 3,120.53

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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.