Home / 3,602.80-4,970.43-2,185.97

Finding the Fourth Proportional to 3,602.80, 4,970.43 and 2,185.97

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Solution

The fourth proportional to 3,602.80, 4,970.43 and 2,185.97 is: 3,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.80 : 4,970.43 = 2,185.97 : x
  2. Step 2: Convert to fraction form
    3,602.80/4,970.43 = 2,185.97/x
  3. Step 3: Cross multiply
    3,602.80x = 4,970.43 × 2,185.97
  4. Step 4: Simplify right side
    3,602.80x = 10,865,179.87
  5. Step 5: Solve for x
    x = 10,865,179.87/3,602.80
  6. Step 6: Final answer
    x = 3,015.76

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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.