Home / 2,971.36-4,456.94-1,412.49

Finding the Fourth Proportional to 2,971.36, 4,456.94 and 1,412.49

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Solution

The fourth proportional to 2,971.36, 4,456.94 and 1,412.49 is: 2,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.36 : 4,456.94 = 1,412.49 : x
  2. Step 2: Convert to fraction form
    2,971.36/4,456.94 = 1,412.49/x
  3. Step 3: Cross multiply
    2,971.36x = 4,456.94 × 1,412.49
  4. Step 4: Simplify right side
    2,971.36x = 6,295,383.18
  5. Step 5: Solve for x
    x = 6,295,383.18/2,971.36
  6. Step 6: Final answer
    x = 2,118.69

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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.