Home / 3,270.54-4,513.36-1,778.48

Finding the Fourth Proportional to 3,270.54, 4,513.36 and 1,778.48

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Solution

The fourth proportional to 3,270.54, 4,513.36 and 1,778.48 is: 2,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.54 : 4,513.36 = 1,778.48 : x
  2. Step 2: Convert to fraction form
    3,270.54/4,513.36 = 1,778.48/x
  3. Step 3: Cross multiply
    3,270.54x = 4,513.36 × 1,778.48
  4. Step 4: Simplify right side
    3,270.54x = 8,026,920.49
  5. Step 5: Solve for x
    x = 8,026,920.49/3,270.54
  6. Step 6: Final answer
    x = 2,454.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.