Home / 2,816.07-4,226.58-1,085.91

Finding the Fourth Proportional to 2,816.07, 4,226.58 and 1,085.91

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Solution

The fourth proportional to 2,816.07, 4,226.58 and 1,085.91 is: 1,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.07 : 4,226.58 = 1,085.91 : x
  2. Step 2: Convert to fraction form
    2,816.07/4,226.58 = 1,085.91/x
  3. Step 3: Cross multiply
    2,816.07x = 4,226.58 × 1,085.91
  4. Step 4: Simplify right side
    2,816.07x = 4,589,685.49
  5. Step 5: Solve for x
    x = 4,589,685.49/2,816.07
  6. Step 6: Final answer
    x = 1,629.82

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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.