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Finding the Fourth Proportional to 2,889.69, 4,334.99 and 941.45

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Solution

The fourth proportional to 2,889.69, 4,334.99 and 941.45 is: 1,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.69 : 4,334.99 = 941.45 : x
  2. Step 2: Convert to fraction form
    2,889.69/4,334.99 = 941.45/x
  3. Step 3: Cross multiply
    2,889.69x = 4,334.99 × 941.45
  4. Step 4: Simplify right side
    2,889.69x = 4,081,149.95
  5. Step 5: Solve for x
    x = 4,081,149.95/2,889.69
  6. Step 6: Final answer
    x = 1,412.31

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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.