Home / 3,365.27-5,048-1,988.27

Finding the Fourth Proportional to 3,365.27, 5,048 and 1,988.27

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Solution

The fourth proportional to 3,365.27, 5,048 and 1,988.27 is: 2,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.27 : 5,048 = 1,988.27 : x
  2. Step 2: Convert to fraction form
    3,365.27/5,048 = 1,988.27/x
  3. Step 3: Cross multiply
    3,365.27x = 5,048 × 1,988.27
  4. Step 4: Simplify right side
    3,365.27x = 10,036,786.96
  5. Step 5: Solve for x
    x = 10,036,786.96/3,365.27
  6. Step 6: Final answer
    x = 2,982.46

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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.