Home / 3,318.22-4,579.08-1,826.05

Finding the Fourth Proportional to 3,318.22, 4,579.08 and 1,826.05

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Solution

The fourth proportional to 3,318.22, 4,579.08 and 1,826.05 is: 2,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.22 : 4,579.08 = 1,826.05 : x
  2. Step 2: Convert to fraction form
    3,318.22/4,579.08 = 1,826.05/x
  3. Step 3: Cross multiply
    3,318.22x = 4,579.08 × 1,826.05
  4. Step 4: Simplify right side
    3,318.22x = 8,361,629.03
  5. Step 5: Solve for x
    x = 8,361,629.03/3,318.22
  6. Step 6: Final answer
    x = 2,519.91

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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.