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Finding the Fourth Proportional to 2,944.07, 4,412.00 and 2,212.79

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Solution

The fourth proportional to 2,944.07, 4,412.00 and 2,212.79 is: 3,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.07 : 4,412.00 = 2,212.79 : x
  2. Step 2: Convert to fraction form
    2,944.07/4,412.00 = 2,212.79/x
  3. Step 3: Cross multiply
    2,944.07x = 4,412.00 × 2,212.79
  4. Step 4: Simplify right side
    2,944.07x = 9,762,837.77
  5. Step 5: Solve for x
    x = 9,762,837.77/2,944.07
  6. Step 6: Final answer
    x = 3,316.10

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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.