Home / 2,003.35-3,005.03-1,857.55

Finding the Fourth Proportional to 2,003.35, 3,005.03 and 1,857.55

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Solution

The fourth proportional to 2,003.35, 3,005.03 and 1,857.55 is: 2,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.35 : 3,005.03 = 1,857.55 : x
  2. Step 2: Convert to fraction form
    2,003.35/3,005.03 = 1,857.55/x
  3. Step 3: Cross multiply
    2,003.35x = 3,005.03 × 1,857.55
  4. Step 4: Simplify right side
    2,003.35x = 5,581,993.48
  5. Step 5: Solve for x
    x = 5,581,993.48/2,003.35
  6. Step 6: Final answer
    x = 2,786.33

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Similar ratio
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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.