Home / 2,797.94-3,861.77-2,191.08

Finding the Fourth Proportional to 2,797.94, 3,861.77 and 2,191.08

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Solution

The fourth proportional to 2,797.94, 3,861.77 and 2,191.08 is: 3,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.94 : 3,861.77 = 2,191.08 : x
  2. Step 2: Convert to fraction form
    2,797.94/3,861.77 = 2,191.08/x
  3. Step 3: Cross multiply
    2,797.94x = 3,861.77 × 2,191.08
  4. Step 4: Simplify right side
    2,797.94x = 8,461,436.06
  5. Step 5: Solve for x
    x = 8,461,436.06/2,797.94
  6. Step 6: Final answer
    x = 3,024.17

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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.