Home / 3,465.82-5,200.78-1,276.09

Finding the Fourth Proportional to 3,465.82, 5,200.78 and 1,276.09

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Solution

The fourth proportional to 3,465.82, 5,200.78 and 1,276.09 is: 1,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.82 : 5,200.78 = 1,276.09 : x
  2. Step 2: Convert to fraction form
    3,465.82/5,200.78 = 1,276.09/x
  3. Step 3: Cross multiply
    3,465.82x = 5,200.78 × 1,276.09
  4. Step 4: Simplify right side
    3,465.82x = 6,636,647.16
  5. Step 5: Solve for x
    x = 6,636,647.16/3,465.82
  6. Step 6: Final answer
    x = 1,914.89

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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.