Home / 3,604.77-4,975.02-2,279.81

Finding the Fourth Proportional to 3,604.77, 4,975.02 and 2,279.81

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Solution

The fourth proportional to 3,604.77, 4,975.02 and 2,279.81 is: 3,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.77 : 4,975.02 = 2,279.81 : x
  2. Step 2: Convert to fraction form
    3,604.77/4,975.02 = 2,279.81/x
  3. Step 3: Cross multiply
    3,604.77x = 4,975.02 × 2,279.81
  4. Step 4: Simplify right side
    3,604.77x = 11,342,112.78
  5. Step 5: Solve for x
    x = 11,342,112.78/3,604.77
  6. Step 6: Final answer
    x = 3,146.42

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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.