Home / 3,579.08-4,939.40-2,086.88

Finding the Fourth Proportional to 3,579.08, 4,939.40 and 2,086.88

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Solution

The fourth proportional to 3,579.08, 4,939.40 and 2,086.88 is: 2,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.08 : 4,939.40 = 2,086.88 : x
  2. Step 2: Convert to fraction form
    3,579.08/4,939.40 = 2,086.88/x
  3. Step 3: Cross multiply
    3,579.08x = 4,939.40 × 2,086.88
  4. Step 4: Simplify right side
    3,579.08x = 10,307,899.94
  5. Step 5: Solve for x
    x = 10,307,899.94/3,579.08
  6. Step 6: Final answer
    x = 2,880.05

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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.