Home / 3,438.56-5,148.60-2,048.45

Finding the Fourth Proportional to 3,438.56, 5,148.60 and 2,048.45

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Solution

The fourth proportional to 3,438.56, 5,148.60 and 2,048.45 is: 3,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.56 : 5,148.60 = 2,048.45 : x
  2. Step 2: Convert to fraction form
    3,438.56/5,148.60 = 2,048.45/x
  3. Step 3: Cross multiply
    3,438.56x = 5,148.60 × 2,048.45
  4. Step 4: Simplify right side
    3,438.56x = 10,546,623.93
  5. Step 5: Solve for x
    x = 10,546,623.93/3,438.56
  6. Step 6: Final answer
    x = 3,067.17

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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.