Home / 3,249.48-4,880.70-2,018.28

Finding the Fourth Proportional to 3,249.48, 4,880.70 and 2,018.28

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Solution

The fourth proportional to 3,249.48, 4,880.70 and 2,018.28 is: 3,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.48 : 4,880.70 = 2,018.28 : x
  2. Step 2: Convert to fraction form
    3,249.48/4,880.70 = 2,018.28/x
  3. Step 3: Cross multiply
    3,249.48x = 4,880.70 × 2,018.28
  4. Step 4: Simplify right side
    3,249.48x = 9,850,619.20
  5. Step 5: Solve for x
    x = 9,850,619.20/3,249.48
  6. Step 6: Final answer
    x = 3,031.44

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1.5x scale

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.