Home / 3,320.64-4,577.36-2,480.09

Finding the Fourth Proportional to 3,320.64, 4,577.36 and 2,480.09

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Solution

The fourth proportional to 3,320.64, 4,577.36 and 2,480.09 is: 3,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.64 : 4,577.36 = 2,480.09 : x
  2. Step 2: Convert to fraction form
    3,320.64/4,577.36 = 2,480.09/x
  3. Step 3: Cross multiply
    3,320.64x = 4,577.36 × 2,480.09
  4. Step 4: Simplify right side
    3,320.64x = 11,352,229.48
  5. Step 5: Solve for x
    x = 11,352,229.48/3,320.64
  6. Step 6: Final answer
    x = 3,418.69

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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.