Home / 4,181.43-5,768.91-2,690.22

Finding the Fourth Proportional to 4,181.43, 5,768.91 and 2,690.22

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Solution

The fourth proportional to 4,181.43, 5,768.91 and 2,690.22 is: 3,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.43 : 5,768.91 = 2,690.22 : x
  2. Step 2: Convert to fraction form
    4,181.43/5,768.91 = 2,690.22/x
  3. Step 3: Cross multiply
    4,181.43x = 5,768.91 × 2,690.22
  4. Step 4: Simplify right side
    4,181.43x = 15,519,637.06
  5. Step 5: Solve for x
    x = 15,519,637.06/4,181.43
  6. Step 6: Final answer
    x = 3,711.56

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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.