Home / 2,939.34-4,407.42-1,293.96

Finding the Fourth Proportional to 2,939.34, 4,407.42 and 1,293.96

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Solution

The fourth proportional to 2,939.34, 4,407.42 and 1,293.96 is: 1,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.34 : 4,407.42 = 1,293.96 : x
  2. Step 2: Convert to fraction form
    2,939.34/4,407.42 = 1,293.96/x
  3. Step 3: Cross multiply
    2,939.34x = 4,407.42 × 1,293.96
  4. Step 4: Simplify right side
    2,939.34x = 5,703,025.18
  5. Step 5: Solve for x
    x = 5,703,025.18/2,939.34
  6. Step 6: Final answer
    x = 1,940.24

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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.