Home / 2,820.95-4,198.22-2,727.53

Finding the Fourth Proportional to 2,820.95, 4,198.22 and 2,727.53

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Solution

The fourth proportional to 2,820.95, 4,198.22 and 2,727.53 is: 4,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.95 : 4,198.22 = 2,727.53 : x
  2. Step 2: Convert to fraction form
    2,820.95/4,198.22 = 2,727.53/x
  3. Step 3: Cross multiply
    2,820.95x = 4,198.22 × 2,727.53
  4. Step 4: Simplify right side
    2,820.95x = 11,450,756.82
  5. Step 5: Solve for x
    x = 11,450,756.82/2,820.95
  6. Step 6: Final answer
    x = 4,059.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.