Home / 4,160.86-5,734.09-2,979.88

Finding the Fourth Proportional to 4,160.86, 5,734.09 and 2,979.88

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Solution

The fourth proportional to 4,160.86, 5,734.09 and 2,979.88 is: 4,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.86 : 5,734.09 = 2,979.88 : x
  2. Step 2: Convert to fraction form
    4,160.86/5,734.09 = 2,979.88/x
  3. Step 3: Cross multiply
    4,160.86x = 5,734.09 × 2,979.88
  4. Step 4: Simplify right side
    4,160.86x = 17,086,889.50
  5. Step 5: Solve for x
    x = 17,086,889.50/4,160.86
  6. Step 6: Final answer
    x = 4,106.58

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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.