Home / 3,369.06-4,647.33-1,971.54

Finding the Fourth Proportional to 3,369.06, 4,647.33 and 1,971.54

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Solution

The fourth proportional to 3,369.06, 4,647.33 and 1,971.54 is: 2,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.06 : 4,647.33 = 1,971.54 : x
  2. Step 2: Convert to fraction form
    3,369.06/4,647.33 = 1,971.54/x
  3. Step 3: Cross multiply
    3,369.06x = 4,647.33 × 1,971.54
  4. Step 4: Simplify right side
    3,369.06x = 9,162,396.99
  5. Step 5: Solve for x
    x = 9,162,396.99/3,369.06
  6. Step 6: Final answer
    x = 2,719.57

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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.