Home / 2,939.86-4,056.73-1,744.64

Finding the Fourth Proportional to 2,939.86, 4,056.73 and 1,744.64

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Solution

The fourth proportional to 2,939.86, 4,056.73 and 1,744.64 is: 2,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.86 : 4,056.73 = 1,744.64 : x
  2. Step 2: Convert to fraction form
    2,939.86/4,056.73 = 1,744.64/x
  3. Step 3: Cross multiply
    2,939.86x = 4,056.73 × 1,744.64
  4. Step 4: Simplify right side
    2,939.86x = 7,077,513.14
  5. Step 5: Solve for x
    x = 7,077,513.14/2,939.86
  6. Step 6: Final answer
    x = 2,407.44

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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.