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Finding the Fourth Proportional to 2,894.22, 4,340.93 and 946.44

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Solution

The fourth proportional to 2,894.22, 4,340.93 and 946.44 is: 1,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.22 : 4,340.93 = 946.44 : x
  2. Step 2: Convert to fraction form
    2,894.22/4,340.93 = 946.44/x
  3. Step 3: Cross multiply
    2,894.22x = 4,340.93 × 946.44
  4. Step 4: Simplify right side
    2,894.22x = 4,108,425.06
  5. Step 5: Solve for x
    x = 4,108,425.06/2,894.22
  6. Step 6: Final answer
    x = 1,419.53

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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.