Home / 3,442.24-5,155.32-2,515.48

Finding the Fourth Proportional to 3,442.24, 5,155.32 and 2,515.48

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Solution

The fourth proportional to 3,442.24, 5,155.32 and 2,515.48 is: 3,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.24 : 5,155.32 = 2,515.48 : x
  2. Step 2: Convert to fraction form
    3,442.24/5,155.32 = 2,515.48/x
  3. Step 3: Cross multiply
    3,442.24x = 5,155.32 × 2,515.48
  4. Step 4: Simplify right side
    3,442.24x = 12,968,104.35
  5. Step 5: Solve for x
    x = 12,968,104.35/3,442.24
  6. Step 6: Final answer
    x = 3,767.34

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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.