Home / 3,078.48-4,250.34-1,901.28

Finding the Fourth Proportional to 3,078.48, 4,250.34 and 1,901.28

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Solution

The fourth proportional to 3,078.48, 4,250.34 and 1,901.28 is: 2,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.48 : 4,250.34 = 1,901.28 : x
  2. Step 2: Convert to fraction form
    3,078.48/4,250.34 = 1,901.28/x
  3. Step 3: Cross multiply
    3,078.48x = 4,250.34 × 1,901.28
  4. Step 4: Simplify right side
    3,078.48x = 8,081,086.44
  5. Step 5: Solve for x
    x = 8,081,086.44/3,078.48
  6. Step 6: Final answer
    x = 2,625.02

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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.