Home / 3,678.62-5,077.15-2,352.27

Finding the Fourth Proportional to 3,678.62, 5,077.15 and 2,352.27

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Solution

The fourth proportional to 3,678.62, 5,077.15 and 2,352.27 is: 3,246.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.62 : 5,077.15 = 2,352.27 : x
  2. Step 2: Convert to fraction form
    3,678.62/5,077.15 = 2,352.27/x
  3. Step 3: Cross multiply
    3,678.62x = 5,077.15 × 2,352.27
  4. Step 4: Simplify right side
    3,678.62x = 11,942,840.79
  5. Step 5: Solve for x
    x = 11,942,840.79/3,678.62
  6. Step 6: Final answer
    x = 3,246.56

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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.