Home / 3,365-5,045.70-1,517.96

Finding the Fourth Proportional to 3,365, 5,045.70 and 1,517.96

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Solution

The fourth proportional to 3,365, 5,045.70 and 1,517.96 is: 2,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365 : 5,045.70 = 1,517.96 : x
  2. Step 2: Convert to fraction form
    3,365/5,045.70 = 1,517.96/x
  3. Step 3: Cross multiply
    3,365x = 5,045.70 × 1,517.96
  4. Step 4: Simplify right side
    3,365x = 7,659,170.77
  5. Step 5: Solve for x
    x = 7,659,170.77/3,365
  6. Step 6: Final answer
    x = 2,276.13

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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.