Home / 3,791.83-5,232.56-2,113.42

Finding the Fourth Proportional to 3,791.83, 5,232.56 and 2,113.42

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Solution

The fourth proportional to 3,791.83, 5,232.56 and 2,113.42 is: 2,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.83 : 5,232.56 = 2,113.42 : x
  2. Step 2: Convert to fraction form
    3,791.83/5,232.56 = 2,113.42/x
  3. Step 3: Cross multiply
    3,791.83x = 5,232.56 × 2,113.42
  4. Step 4: Simplify right side
    3,791.83x = 11,058,615.32
  5. Step 5: Solve for x
    x = 11,058,615.32/3,791.83
  6. Step 6: Final answer
    x = 2,916.43

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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.