Home / 2,055.79-2,817.97-2,028.11

Finding the Fourth Proportional to 2,055.79, 2,817.97 and 2,028.11

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Solution

The fourth proportional to 2,055.79, 2,817.97 and 2,028.11 is: 2,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.79 : 2,817.97 = 2,028.11 : x
  2. Step 2: Convert to fraction form
    2,055.79/2,817.97 = 2,028.11/x
  3. Step 3: Cross multiply
    2,055.79x = 2,817.97 × 2,028.11
  4. Step 4: Simplify right side
    2,055.79x = 5,715,133.98
  5. Step 5: Solve for x
    x = 5,715,133.98/2,055.79
  6. Step 6: Final answer
    x = 2,780.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.