Home / 4,171.69-6,255.51-2,090.80

Finding the Fourth Proportional to 4,171.69, 6,255.51 and 2,090.80

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Solution

The fourth proportional to 4,171.69, 6,255.51 and 2,090.80 is: 3,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.69 : 6,255.51 = 2,090.80 : x
  2. Step 2: Convert to fraction form
    4,171.69/6,255.51 = 2,090.80/x
  3. Step 3: Cross multiply
    4,171.69x = 6,255.51 × 2,090.80
  4. Step 4: Simplify right side
    4,171.69x = 13,079,020.31
  5. Step 5: Solve for x
    x = 13,079,020.31/4,171.69
  6. Step 6: Final answer
    x = 3,135.19

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1.5x scale

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.