Home / 3,579.96-4,939.29-2,087.58

Finding the Fourth Proportional to 3,579.96, 4,939.29 and 2,087.58

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Solution

The fourth proportional to 3,579.96, 4,939.29 and 2,087.58 is: 2,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.96 : 4,939.29 = 2,087.58 : x
  2. Step 2: Convert to fraction form
    3,579.96/4,939.29 = 2,087.58/x
  3. Step 3: Cross multiply
    3,579.96x = 4,939.29 × 2,087.58
  4. Step 4: Simplify right side
    3,579.96x = 10,311,163.02
  5. Step 5: Solve for x
    x = 10,311,163.02/3,579.96
  6. Step 6: Final answer
    x = 2,880.25

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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.