Home / 3,601.85-4,970.94-2,185.59

Finding the Fourth Proportional to 3,601.85, 4,970.94 and 2,185.59

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Solution

The fourth proportional to 3,601.85, 4,970.94 and 2,185.59 is: 3,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.85 : 4,970.94 = 2,185.59 : x
  2. Step 2: Convert to fraction form
    3,601.85/4,970.94 = 2,185.59/x
  3. Step 3: Cross multiply
    3,601.85x = 4,970.94 × 2,185.59
  4. Step 4: Simplify right side
    3,601.85x = 10,864,436.75
  5. Step 5: Solve for x
    x = 10,864,436.75/3,601.85
  6. Step 6: Final answer
    x = 3,016.35

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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.