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Finding the Fourth Proportional to 2,889.01, 4,334.10 and 940.69

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Solution

The fourth proportional to 2,889.01, 4,334.10 and 940.69 is: 1,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.01 : 4,334.10 = 940.69 : x
  2. Step 2: Convert to fraction form
    2,889.01/4,334.10 = 940.69/x
  3. Step 3: Cross multiply
    2,889.01x = 4,334.10 × 940.69
  4. Step 4: Simplify right side
    2,889.01x = 4,077,044.53
  5. Step 5: Solve for x
    x = 4,077,044.53/2,889.01
  6. Step 6: Final answer
    x = 1,411.23

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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.