Home / 3,631.77-5,442.80-2,072.25

Finding the Fourth Proportional to 3,631.77, 5,442.80 and 2,072.25

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Solution

The fourth proportional to 3,631.77, 5,442.80 and 2,072.25 is: 3,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.77 : 5,442.80 = 2,072.25 : x
  2. Step 2: Convert to fraction form
    3,631.77/5,442.80 = 2,072.25/x
  3. Step 3: Cross multiply
    3,631.77x = 5,442.80 × 2,072.25
  4. Step 4: Simplify right side
    3,631.77x = 11,278,831.94
  5. Step 5: Solve for x
    x = 11,278,831.94/3,631.77
  6. Step 6: Final answer
    x = 3,105.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.