Home / 2,843.19-4,264.75-1,111.80

Finding the Fourth Proportional to 2,843.19, 4,264.75 and 1,111.80

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Solution

The fourth proportional to 2,843.19, 4,264.75 and 1,111.80 is: 1,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.19 : 4,264.75 = 1,111.80 : x
  2. Step 2: Convert to fraction form
    2,843.19/4,264.75 = 1,111.80/x
  3. Step 3: Cross multiply
    2,843.19x = 4,264.75 × 1,111.80
  4. Step 4: Simplify right side
    2,843.19x = 4,741,549.05
  5. Step 5: Solve for x
    x = 4,741,549.05/2,843.19
  6. Step 6: Final answer
    x = 1,667.69

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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.