Home / 2,843.04-3,919.68-2,212.32

Finding the Fourth Proportional to 2,843.04, 3,919.68 and 2,212.32

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Solution

The fourth proportional to 2,843.04, 3,919.68 and 2,212.32 is: 3,050.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.04 : 3,919.68 = 2,212.32 : x
  2. Step 2: Convert to fraction form
    2,843.04/3,919.68 = 2,212.32/x
  3. Step 3: Cross multiply
    2,843.04x = 3,919.68 × 2,212.32
  4. Step 4: Simplify right side
    2,843.04x = 8,671,586.46
  5. Step 5: Solve for x
    x = 8,671,586.46/2,843.04
  6. Step 6: Final answer
    x = 3,050.11

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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.