Home / 3,681.66-5,080.77-2,003.07

Finding the Fourth Proportional to 3,681.66, 5,080.77 and 2,003.07

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Solution

The fourth proportional to 3,681.66, 5,080.77 and 2,003.07 is: 2,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.66 : 5,080.77 = 2,003.07 : x
  2. Step 2: Convert to fraction form
    3,681.66/5,080.77 = 2,003.07/x
  3. Step 3: Cross multiply
    3,681.66x = 5,080.77 × 2,003.07
  4. Step 4: Simplify right side
    3,681.66x = 10,177,137.96
  5. Step 5: Solve for x
    x = 10,177,137.96/3,681.66
  6. Step 6: Final answer
    x = 2,764.28

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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.