Home / 2,106.28-2,907.66-2,047.96

Finding the Fourth Proportional to 2,106.28, 2,907.66 and 2,047.96

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Solution

The fourth proportional to 2,106.28, 2,907.66 and 2,047.96 is: 2,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.28 : 2,907.66 = 2,047.96 : x
  2. Step 2: Convert to fraction form
    2,106.28/2,907.66 = 2,047.96/x
  3. Step 3: Cross multiply
    2,106.28x = 2,907.66 × 2,047.96
  4. Step 4: Simplify right side
    2,106.28x = 5,954,771.37
  5. Step 5: Solve for x
    x = 5,954,771.37/2,106.28
  6. Step 6: Final answer
    x = 2,827.15

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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.