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Finding the Fourth Proportional to 3,349, 4,622.03 and 1,951.75

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Solution

The fourth proportional to 3,349, 4,622.03 and 1,951.75 is: 2,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349 : 4,622.03 = 1,951.75 : x
  2. Step 2: Convert to fraction form
    3,349/4,622.03 = 1,951.75/x
  3. Step 3: Cross multiply
    3,349x = 4,622.03 × 1,951.75
  4. Step 4: Simplify right side
    3,349x = 9,021,047.05
  5. Step 5: Solve for x
    x = 9,021,047.05/3,349
  6. Step 6: Final answer
    x = 2,693.65

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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.