Home / 2,849.84-3,934.55-2,185.41

Finding the Fourth Proportional to 2,849.84, 3,934.55 and 2,185.41

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Solution

The fourth proportional to 2,849.84, 3,934.55 and 2,185.41 is: 3,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.84 : 3,934.55 = 2,185.41 : x
  2. Step 2: Convert to fraction form
    2,849.84/3,934.55 = 2,185.41/x
  3. Step 3: Cross multiply
    2,849.84x = 3,934.55 × 2,185.41
  4. Step 4: Simplify right side
    2,849.84x = 8,598,593.99
  5. Step 5: Solve for x
    x = 8,598,593.99/2,849.84
  6. Step 6: Final answer
    x = 3,017.23

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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.