Home / 3,874.69-5,349.52-2,550.61

Finding the Fourth Proportional to 3,874.69, 5,349.52 and 2,550.61

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Solution

The fourth proportional to 3,874.69, 5,349.52 and 2,550.61 is: 3,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.69 : 5,349.52 = 2,550.61 : x
  2. Step 2: Convert to fraction form
    3,874.69/5,349.52 = 2,550.61/x
  3. Step 3: Cross multiply
    3,874.69x = 5,349.52 × 2,550.61
  4. Step 4: Simplify right side
    3,874.69x = 13,644,539.21
  5. Step 5: Solve for x
    x = 13,644,539.21/3,874.69
  6. Step 6: Final answer
    x = 3,521.45

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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.