Home / 2,138.44-2,950.86-1,194.16

Finding the Fourth Proportional to 2,138.44, 2,950.86 and 1,194.16

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Solution

The fourth proportional to 2,138.44, 2,950.86 and 1,194.16 is: 1,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138.44 : 2,950.86 = 1,194.16 : x
  2. Step 2: Convert to fraction form
    2,138.44/2,950.86 = 1,194.16/x
  3. Step 3: Cross multiply
    2,138.44x = 2,950.86 × 1,194.16
  4. Step 4: Simplify right side
    2,138.44x = 3,523,798.98
  5. Step 5: Solve for x
    x = 3,523,798.98/2,138.44
  6. Step 6: Final answer
    x = 1,647.84

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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.