Home / 3,404.49-5,102.61-2,415.75

Finding the Fourth Proportional to 3,404.49, 5,102.61 and 2,415.75

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Solution

The fourth proportional to 3,404.49, 5,102.61 and 2,415.75 is: 3,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.49 : 5,102.61 = 2,415.75 : x
  2. Step 2: Convert to fraction form
    3,404.49/5,102.61 = 2,415.75/x
  3. Step 3: Cross multiply
    3,404.49x = 5,102.61 × 2,415.75
  4. Step 4: Simplify right side
    3,404.49x = 12,326,630.11
  5. Step 5: Solve for x
    x = 12,326,630.11/3,404.49
  6. Step 6: Final answer
    x = 3,620.70

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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.