Home / 3,074.81-4,243.32-1,748.48

Finding the Fourth Proportional to 3,074.81, 4,243.32 and 1,748.48

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Solution

The fourth proportional to 3,074.81, 4,243.32 and 1,748.48 is: 2,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.81 : 4,243.32 = 1,748.48 : x
  2. Step 2: Convert to fraction form
    3,074.81/4,243.32 = 1,748.48/x
  3. Step 3: Cross multiply
    3,074.81x = 4,243.32 × 1,748.48
  4. Step 4: Simplify right side
    3,074.81x = 7,419,338.94
  5. Step 5: Solve for x
    x = 7,419,338.94/3,074.81
  6. Step 6: Final answer
    x = 2,412.95

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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.