Home / 4,171.41-5,748.59-2,990.43

Finding the Fourth Proportional to 4,171.41, 5,748.59 and 2,990.43

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Solution

The fourth proportional to 4,171.41, 5,748.59 and 2,990.43 is: 4,121.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.41 : 5,748.59 = 2,990.43 : x
  2. Step 2: Convert to fraction form
    4,171.41/5,748.59 = 2,990.43/x
  3. Step 3: Cross multiply
    4,171.41x = 5,748.59 × 2,990.43
  4. Step 4: Simplify right side
    4,171.41x = 17,190,727.25
  5. Step 5: Solve for x
    x = 17,190,727.25/4,171.41
  6. Step 6: Final answer
    x = 4,121.09

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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.