Home / 3,736.76-5,156.34-2,164.56

Finding the Fourth Proportional to 3,736.76, 5,156.34 and 2,164.56

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Solution

The fourth proportional to 3,736.76, 5,156.34 and 2,164.56 is: 2,986.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.76 : 5,156.34 = 2,164.56 : x
  2. Step 2: Convert to fraction form
    3,736.76/5,156.34 = 2,164.56/x
  3. Step 3: Cross multiply
    3,736.76x = 5,156.34 × 2,164.56
  4. Step 4: Simplify right side
    3,736.76x = 11,161,207.31
  5. Step 5: Solve for x
    x = 11,161,207.31/3,736.76
  6. Step 6: Final answer
    x = 2,986.87

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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.