Home / 2,813.22-4,219.83-1,168.65

Finding the Fourth Proportional to 2,813.22, 4,219.83 and 1,168.65

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Solution

The fourth proportional to 2,813.22, 4,219.83 and 1,168.65 is: 1,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.22 : 4,219.83 = 1,168.65 : x
  2. Step 2: Convert to fraction form
    2,813.22/4,219.83 = 1,168.65/x
  3. Step 3: Cross multiply
    2,813.22x = 4,219.83 × 1,168.65
  4. Step 4: Simplify right side
    2,813.22x = 4,931,504.33
  5. Step 5: Solve for x
    x = 4,931,504.33/2,813.22
  6. Step 6: Final answer
    x = 1,752.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.