Home / 2,728.19-4,095.71-2,271.56

Finding the Fourth Proportional to 2,728.19, 4,095.71 and 2,271.56

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Solution

The fourth proportional to 2,728.19, 4,095.71 and 2,271.56 is: 3,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.19 : 4,095.71 = 2,271.56 : x
  2. Step 2: Convert to fraction form
    2,728.19/4,095.71 = 2,271.56/x
  3. Step 3: Cross multiply
    2,728.19x = 4,095.71 × 2,271.56
  4. Step 4: Simplify right side
    2,728.19x = 9,303,619.17
  5. Step 5: Solve for x
    x = 9,303,619.17/2,728.19
  6. Step 6: Final answer
    x = 3,410.19

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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.