Home / 3,519.54-5,280.48-1,328.46

Finding the Fourth Proportional to 3,519.54, 5,280.48 and 1,328.46

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Solution

The fourth proportional to 3,519.54, 5,280.48 and 1,328.46 is: 1,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.54 : 5,280.48 = 1,328.46 : x
  2. Step 2: Convert to fraction form
    3,519.54/5,280.48 = 1,328.46/x
  3. Step 3: Cross multiply
    3,519.54x = 5,280.48 × 1,328.46
  4. Step 4: Simplify right side
    3,519.54x = 7,014,906.46
  5. Step 5: Solve for x
    x = 7,014,906.46/3,519.54
  6. Step 6: Final answer
    x = 1,993.13

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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.