Home / 4,156.80-5,728.46-2,975.82

Finding the Fourth Proportional to 4,156.80, 5,728.46 and 2,975.82

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Solution

The fourth proportional to 4,156.80, 5,728.46 and 2,975.82 is: 4,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.80 : 5,728.46 = 2,975.82 : x
  2. Step 2: Convert to fraction form
    4,156.80/5,728.46 = 2,975.82/x
  3. Step 3: Cross multiply
    4,156.80x = 5,728.46 × 2,975.82
  4. Step 4: Simplify right side
    4,156.80x = 17,046,844.63
  5. Step 5: Solve for x
    x = 17,046,844.63/4,156.80
  6. Step 6: Final answer
    x = 4,100.96

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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.