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Finding the Fourth Proportional to 2,953.22, 4,434.76 and 1,845.21

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Solution

The fourth proportional to 2,953.22, 4,434.76 and 1,845.21 is: 2,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.22 : 4,434.76 = 1,845.21 : x
  2. Step 2: Convert to fraction form
    2,953.22/4,434.76 = 1,845.21/x
  3. Step 3: Cross multiply
    2,953.22x = 4,434.76 × 1,845.21
  4. Step 4: Simplify right side
    2,953.22x = 8,183,063.50
  5. Step 5: Solve for x
    x = 8,183,063.50/2,953.22
  6. Step 6: Final answer
    x = 2,770.90

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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.