Home / 2,118.44-3,163.58-2,095.56

Finding the Fourth Proportional to 2,118.44, 3,163.58 and 2,095.56

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Solution

The fourth proportional to 2,118.44, 3,163.58 and 2,095.56 is: 3,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.44 : 3,163.58 = 2,095.56 : x
  2. Step 2: Convert to fraction form
    2,118.44/3,163.58 = 2,095.56/x
  3. Step 3: Cross multiply
    2,118.44x = 3,163.58 × 2,095.56
  4. Step 4: Simplify right side
    2,118.44x = 6,629,461.23
  5. Step 5: Solve for x
    x = 6,629,461.23/2,118.44
  6. Step 6: Final answer
    x = 3,129.41

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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.