Home / 3,003.45-4,144.86-1,808.79

Finding the Fourth Proportional to 3,003.45, 4,144.86 and 1,808.79

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Solution

The fourth proportional to 3,003.45, 4,144.86 and 1,808.79 is: 2,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.45 : 4,144.86 = 1,808.79 : x
  2. Step 2: Convert to fraction form
    3,003.45/4,144.86 = 1,808.79/x
  3. Step 3: Cross multiply
    3,003.45x = 4,144.86 × 1,808.79
  4. Step 4: Simplify right side
    3,003.45x = 7,497,181.32
  5. Step 5: Solve for x
    x = 7,497,181.32/3,003.45
  6. Step 6: Final answer
    x = 2,496.19

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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.