Home / 3,514.80-5,272.20-2,415.84

Finding the Fourth Proportional to 3,514.80, 5,272.20 and 2,415.84

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Solution

The fourth proportional to 3,514.80, 5,272.20 and 2,415.84 is: 3,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.80 : 5,272.20 = 2,415.84 : x
  2. Step 2: Convert to fraction form
    3,514.80/5,272.20 = 2,415.84/x
  3. Step 3: Cross multiply
    3,514.80x = 5,272.20 × 2,415.84
  4. Step 4: Simplify right side
    3,514.80x = 12,736,791.65
  5. Step 5: Solve for x
    x = 12,736,791.65/3,514.80
  6. Step 6: Final answer
    x = 3,623.76

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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.