Home / 3,618.73-4,994.83-2,127.13

Finding the Fourth Proportional to 3,618.73, 4,994.83 and 2,127.13

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Solution

The fourth proportional to 3,618.73, 4,994.83 and 2,127.13 is: 2,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.73 : 4,994.83 = 2,127.13 : x
  2. Step 2: Convert to fraction form
    3,618.73/4,994.83 = 2,127.13/x
  3. Step 3: Cross multiply
    3,618.73x = 4,994.83 × 2,127.13
  4. Step 4: Simplify right side
    3,618.73x = 10,624,645.57
  5. Step 5: Solve for x
    x = 10,624,645.57/3,618.73
  6. Step 6: Final answer
    x = 2,936.01

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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.