Home / 2,845.30-3,925.11-2,451.64

Finding the Fourth Proportional to 2,845.30, 3,925.11 and 2,451.64

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Solution

The fourth proportional to 2,845.30, 3,925.11 and 2,451.64 is: 3,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.30 : 3,925.11 = 2,451.64 : x
  2. Step 2: Convert to fraction form
    2,845.30/3,925.11 = 2,451.64/x
  3. Step 3: Cross multiply
    2,845.30x = 3,925.11 × 2,451.64
  4. Step 4: Simplify right side
    2,845.30x = 9,622,956.68
  5. Step 5: Solve for x
    x = 9,622,956.68/2,845.30
  6. Step 6: Final answer
    x = 3,382.05

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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.