Home / 2,120.44-2,917.54-2,071.32

Finding the Fourth Proportional to 2,120.44, 2,917.54 and 2,071.32

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Solution

The fourth proportional to 2,120.44, 2,917.54 and 2,071.32 is: 2,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.44 : 2,917.54 = 2,071.32 : x
  2. Step 2: Convert to fraction form
    2,120.44/2,917.54 = 2,071.32/x
  3. Step 3: Cross multiply
    2,120.44x = 2,917.54 × 2,071.32
  4. Step 4: Simplify right side
    2,120.44x = 6,043,158.95
  5. Step 5: Solve for x
    x = 6,043,158.95/2,120.44
  6. Step 6: Final answer
    x = 2,849.96

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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.