Home / 3,715.19-5,571.85-1,249.95

Finding the Fourth Proportional to 3,715.19, 5,571.85 and 1,249.95

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Solution

The fourth proportional to 3,715.19, 5,571.85 and 1,249.95 is: 1,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.19 : 5,571.85 = 1,249.95 : x
  2. Step 2: Convert to fraction form
    3,715.19/5,571.85 = 1,249.95/x
  3. Step 3: Cross multiply
    3,715.19x = 5,571.85 × 1,249.95
  4. Step 4: Simplify right side
    3,715.19x = 6,964,533.91
  5. Step 5: Solve for x
    x = 6,964,533.91/3,715.19
  6. Step 6: Final answer
    x = 1,874.61

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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.