Home / 2,905.41-4,009.44-1,579.11

Finding the Fourth Proportional to 2,905.41, 4,009.44 and 1,579.11

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Solution

The fourth proportional to 2,905.41, 4,009.44 and 1,579.11 is: 2,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.41 : 4,009.44 = 1,579.11 : x
  2. Step 2: Convert to fraction form
    2,905.41/4,009.44 = 1,579.11/x
  3. Step 3: Cross multiply
    2,905.41x = 4,009.44 × 1,579.11
  4. Step 4: Simplify right side
    2,905.41x = 6,331,346.80
  5. Step 5: Solve for x
    x = 6,331,346.80/2,905.41
  6. Step 6: Final answer
    x = 2,179.16

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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.