Home / 3,009.64-4,155.78-2,080.84

Finding the Fourth Proportional to 3,009.64, 4,155.78 and 2,080.84

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Solution

The fourth proportional to 3,009.64, 4,155.78 and 2,080.84 is: 2,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.64 : 4,155.78 = 2,080.84 : x
  2. Step 2: Convert to fraction form
    3,009.64/4,155.78 = 2,080.84/x
  3. Step 3: Cross multiply
    3,009.64x = 4,155.78 × 2,080.84
  4. Step 4: Simplify right side
    3,009.64x = 8,647,513.26
  5. Step 5: Solve for x
    x = 8,647,513.26/3,009.64
  6. Step 6: Final answer
    x = 2,873.27

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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.