Home / 3,540.36-5,315.40-2,247.60

Finding the Fourth Proportional to 3,540.36, 5,315.40 and 2,247.60

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Solution

The fourth proportional to 3,540.36, 5,315.40 and 2,247.60 is: 3,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.36 : 5,315.40 = 2,247.60 : x
  2. Step 2: Convert to fraction form
    3,540.36/5,315.40 = 2,247.60/x
  3. Step 3: Cross multiply
    3,540.36x = 5,315.40 × 2,247.60
  4. Step 4: Simplify right side
    3,540.36x = 11,946,893.04
  5. Step 5: Solve for x
    x = 11,946,893.04/3,540.36
  6. Step 6: Final answer
    x = 3,374.49

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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.