Home / 3,579.37-4,936.87-2,398.39

Finding the Fourth Proportional to 3,579.37, 4,936.87 and 2,398.39

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Solution

The fourth proportional to 3,579.37, 4,936.87 and 2,398.39 is: 3,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.37 : 4,936.87 = 2,398.39 : x
  2. Step 2: Convert to fraction form
    3,579.37/4,936.87 = 2,398.39/x
  3. Step 3: Cross multiply
    3,579.37x = 4,936.87 × 2,398.39
  4. Step 4: Simplify right side
    3,579.37x = 11,840,539.64
  5. Step 5: Solve for x
    x = 11,840,539.64/3,579.37
  6. Step 6: Final answer
    x = 3,308.00

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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.