Home / 3,318.69-4,579.84-1,826.59

Finding the Fourth Proportional to 3,318.69, 4,579.84 and 1,826.59

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Solution

The fourth proportional to 3,318.69, 4,579.84 and 1,826.59 is: 2,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.69 : 4,579.84 = 1,826.59 : x
  2. Step 2: Convert to fraction form
    3,318.69/4,579.84 = 1,826.59/x
  3. Step 3: Cross multiply
    3,318.69x = 4,579.84 × 1,826.59
  4. Step 4: Simplify right side
    3,318.69x = 8,365,489.95
  5. Step 5: Solve for x
    x = 8,365,489.95/3,318.69
  6. Step 6: Final answer
    x = 2,520.72

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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.