Home / 3,579.42-4,939.44-1,964.37

Finding the Fourth Proportional to 3,579.42, 4,939.44 and 1,964.37

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Solution

The fourth proportional to 3,579.42, 4,939.44 and 1,964.37 is: 2,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.42 : 4,939.44 = 1,964.37 : x
  2. Step 2: Convert to fraction form
    3,579.42/4,939.44 = 1,964.37/x
  3. Step 3: Cross multiply
    3,579.42x = 4,939.44 × 1,964.37
  4. Step 4: Simplify right side
    3,579.42x = 9,702,887.75
  5. Step 5: Solve for x
    x = 9,702,887.75/3,579.42
  6. Step 6: Final answer
    x = 2,710.74

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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.