Home / 3,055.77-4,214.55-2,111.94

Finding the Fourth Proportional to 3,055.77, 4,214.55 and 2,111.94

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Solution

The fourth proportional to 3,055.77, 4,214.55 and 2,111.94 is: 2,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.77 : 4,214.55 = 2,111.94 : x
  2. Step 2: Convert to fraction form
    3,055.77/4,214.55 = 2,111.94/x
  3. Step 3: Cross multiply
    3,055.77x = 4,214.55 × 2,111.94
  4. Step 4: Simplify right side
    3,055.77x = 8,900,876.73
  5. Step 5: Solve for x
    x = 8,900,876.73/3,055.77
  6. Step 6: Final answer
    x = 2,912.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.