Home / 3,078.60-4,616.82-1,434.84

Finding the Fourth Proportional to 3,078.60, 4,616.82 and 1,434.84

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Solution

The fourth proportional to 3,078.60, 4,616.82 and 1,434.84 is: 2,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.60 : 4,616.82 = 1,434.84 : x
  2. Step 2: Convert to fraction form
    3,078.60/4,616.82 = 1,434.84/x
  3. Step 3: Cross multiply
    3,078.60x = 4,616.82 × 1,434.84
  4. Step 4: Simplify right side
    3,078.60x = 6,624,398.01
  5. Step 5: Solve for x
    x = 6,624,398.01/3,078.60
  6. Step 6: Final answer
    x = 2,151.76

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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.