Home / 2,895.05-3,991.95-2,096.79

Finding the Fourth Proportional to 2,895.05, 3,991.95 and 2,096.79

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Solution

The fourth proportional to 2,895.05, 3,991.95 and 2,096.79 is: 2,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.05 : 3,991.95 = 2,096.79 : x
  2. Step 2: Convert to fraction form
    2,895.05/3,991.95 = 2,096.79/x
  3. Step 3: Cross multiply
    2,895.05x = 3,991.95 × 2,096.79
  4. Step 4: Simplify right side
    2,895.05x = 8,370,270.36
  5. Step 5: Solve for x
    x = 8,370,270.36/2,895.05
  6. Step 6: Final answer
    x = 2,891.24

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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.