Home / 2,112.23-3,168.35-941.93

Finding the Fourth Proportional to 2,112.23, 3,168.35 and 941.93

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Solution

The fourth proportional to 2,112.23, 3,168.35 and 941.93 is: 1,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.23 : 3,168.35 = 941.93 : x
  2. Step 2: Convert to fraction form
    2,112.23/3,168.35 = 941.93/x
  3. Step 3: Cross multiply
    2,112.23x = 3,168.35 × 941.93
  4. Step 4: Simplify right side
    2,112.23x = 2,984,359.21
  5. Step 5: Solve for x
    x = 2,984,359.21/2,112.23
  6. Step 6: Final answer
    x = 1,412.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.