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Finding the Fourth Proportional to 2,951.94, 4,073.63 and 1,625.64

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Solution

The fourth proportional to 2,951.94, 4,073.63 and 1,625.64 is: 2,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.94 : 4,073.63 = 1,625.64 : x
  2. Step 2: Convert to fraction form
    2,951.94/4,073.63 = 1,625.64/x
  3. Step 3: Cross multiply
    2,951.94x = 4,073.63 × 1,625.64
  4. Step 4: Simplify right side
    2,951.94x = 6,622,260.81
  5. Step 5: Solve for x
    x = 6,622,260.81/2,951.94
  6. Step 6: Final answer
    x = 2,243.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.