Home / 3,620.06-4,995.60-2,127.64

Finding the Fourth Proportional to 3,620.06, 4,995.60 and 2,127.64

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Solution

The fourth proportional to 3,620.06, 4,995.60 and 2,127.64 is: 2,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.06 : 4,995.60 = 2,127.64 : x
  2. Step 2: Convert to fraction form
    3,620.06/4,995.60 = 2,127.64/x
  3. Step 3: Cross multiply
    3,620.06x = 4,995.60 × 2,127.64
  4. Step 4: Simplify right side
    3,620.06x = 10,628,838.38
  5. Step 5: Solve for x
    x = 10,628,838.38/3,620.06
  6. Step 6: Final answer
    x = 2,936.09

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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.