Home / 3,071.85-4,607.97-1,513.14

Finding the Fourth Proportional to 3,071.85, 4,607.97 and 1,513.14

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Solution

The fourth proportional to 3,071.85, 4,607.97 and 1,513.14 is: 2,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.85 : 4,607.97 = 1,513.14 : x
  2. Step 2: Convert to fraction form
    3,071.85/4,607.97 = 1,513.14/x
  3. Step 3: Cross multiply
    3,071.85x = 4,607.97 × 1,513.14
  4. Step 4: Simplify right side
    3,071.85x = 6,972,503.73
  5. Step 5: Solve for x
    x = 6,972,503.73/3,071.85
  6. Step 6: Final answer
    x = 2,269.81

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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.