Home / 3,107.76-4,662.55-1,464.47

Finding the Fourth Proportional to 3,107.76, 4,662.55 and 1,464.47

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Solution

The fourth proportional to 3,107.76, 4,662.55 and 1,464.47 is: 2,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.76 : 4,662.55 = 1,464.47 : x
  2. Step 2: Convert to fraction form
    3,107.76/4,662.55 = 1,464.47/x
  3. Step 3: Cross multiply
    3,107.76x = 4,662.55 × 1,464.47
  4. Step 4: Simplify right side
    3,107.76x = 6,828,160.60
  5. Step 5: Solve for x
    x = 6,828,160.60/3,107.76
  6. Step 6: Final answer
    x = 2,197.14

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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.