Home / 3,305.06-4,560.41-2,185.39

Finding the Fourth Proportional to 3,305.06, 4,560.41 and 2,185.39

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Solution

The fourth proportional to 3,305.06, 4,560.41 and 2,185.39 is: 3,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.06 : 4,560.41 = 2,185.39 : x
  2. Step 2: Convert to fraction form
    3,305.06/4,560.41 = 2,185.39/x
  3. Step 3: Cross multiply
    3,305.06x = 4,560.41 × 2,185.39
  4. Step 4: Simplify right side
    3,305.06x = 9,966,285.57
  5. Step 5: Solve for x
    x = 9,966,285.57/3,305.06
  6. Step 6: Final answer
    x = 3,015.46

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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.