Home / 3,661.83-5,053.35-2,170.49

Finding the Fourth Proportional to 3,661.83, 5,053.35 and 2,170.49

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Solution

The fourth proportional to 3,661.83, 5,053.35 and 2,170.49 is: 2,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.83 : 5,053.35 = 2,170.49 : x
  2. Step 2: Convert to fraction form
    3,661.83/5,053.35 = 2,170.49/x
  3. Step 3: Cross multiply
    3,661.83x = 5,053.35 × 2,170.49
  4. Step 4: Simplify right side
    3,661.83x = 10,968,245.64
  5. Step 5: Solve for x
    x = 10,968,245.64/3,661.83
  6. Step 6: Final answer
    x = 2,995.29

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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.