Home / 2,728.08-4,085.96-2,236.01

Finding the Fourth Proportional to 2,728.08, 4,085.96 and 2,236.01

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Solution

The fourth proportional to 2,728.08, 4,085.96 and 2,236.01 is: 3,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.08 : 4,085.96 = 2,236.01 : x
  2. Step 2: Convert to fraction form
    2,728.08/4,085.96 = 2,236.01/x
  3. Step 3: Cross multiply
    2,728.08x = 4,085.96 × 2,236.01
  4. Step 4: Simplify right side
    2,728.08x = 9,136,215.81
  5. Step 5: Solve for x
    x = 9,136,215.81/2,728.08
  6. Step 6: Final answer
    x = 3,348.95

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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.