Home / 3,318.09-4,579.10-2,059.78

Finding the Fourth Proportional to 3,318.09, 4,579.10 and 2,059.78

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Solution

The fourth proportional to 3,318.09, 4,579.10 and 2,059.78 is: 2,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.09 : 4,579.10 = 2,059.78 : x
  2. Step 2: Convert to fraction form
    3,318.09/4,579.10 = 2,059.78/x
  3. Step 3: Cross multiply
    3,318.09x = 4,579.10 × 2,059.78
  4. Step 4: Simplify right side
    3,318.09x = 9,431,938.60
  5. Step 5: Solve for x
    x = 9,431,938.60/3,318.09
  6. Step 6: Final answer
    x = 2,842.58

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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.