Home / 3,349-4,621.62-1,951.75

Finding the Fourth Proportional to 3,349, 4,621.62 and 1,951.75

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Solution

The fourth proportional to 3,349, 4,621.62 and 1,951.75 is: 2,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349 : 4,621.62 = 1,951.75 : x
  2. Step 2: Convert to fraction form
    3,349/4,621.62 = 1,951.75/x
  3. Step 3: Cross multiply
    3,349x = 4,621.62 × 1,951.75
  4. Step 4: Simplify right side
    3,349x = 9,020,246.84
  5. Step 5: Solve for x
    x = 9,020,246.84/3,349
  6. Step 6: Final answer
    x = 2,693.42

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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.