Home / 3,469.64-5,197.80-2,907.68

Finding the Fourth Proportional to 3,469.64, 5,197.80 and 2,907.68

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Solution

The fourth proportional to 3,469.64, 5,197.80 and 2,907.68 is: 4,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.64 : 5,197.80 = 2,907.68 : x
  2. Step 2: Convert to fraction form
    3,469.64/5,197.80 = 2,907.68/x
  3. Step 3: Cross multiply
    3,469.64x = 5,197.80 × 2,907.68
  4. Step 4: Simplify right side
    3,469.64x = 15,113,539.10
  5. Step 5: Solve for x
    x = 15,113,539.10/3,469.64
  6. Step 6: Final answer
    x = 4,355.94

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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.