Home / 3,278.26-4,892.21-2,927.93

Finding the Fourth Proportional to 3,278.26, 4,892.21 and 2,927.93

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Solution

The fourth proportional to 3,278.26, 4,892.21 and 2,927.93 is: 4,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.26 : 4,892.21 = 2,927.93 : x
  2. Step 2: Convert to fraction form
    3,278.26/4,892.21 = 2,927.93/x
  3. Step 3: Cross multiply
    3,278.26x = 4,892.21 × 2,927.93
  4. Step 4: Simplify right side
    3,278.26x = 14,324,048.43
  5. Step 5: Solve for x
    x = 14,324,048.43/3,278.26
  6. Step 6: Final answer
    x = 4,369.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.