Home / 2,939.92-4,410.65-1,091.57

Finding the Fourth Proportional to 2,939.92, 4,410.65 and 1,091.57

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Solution

The fourth proportional to 2,939.92, 4,410.65 and 1,091.57 is: 1,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.92 : 4,410.65 = 1,091.57 : x
  2. Step 2: Convert to fraction form
    2,939.92/4,410.65 = 1,091.57/x
  3. Step 3: Cross multiply
    2,939.92x = 4,410.65 × 1,091.57
  4. Step 4: Simplify right side
    2,939.92x = 4,814,533.22
  5. Step 5: Solve for x
    x = 4,814,533.22/2,939.92
  6. Step 6: Final answer
    x = 1,637.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.