Home / 3,378.09-5,065.92-1,297.03

Finding the Fourth Proportional to 3,378.09, 5,065.92 and 1,297.03

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Solution

The fourth proportional to 3,378.09, 5,065.92 and 1,297.03 is: 1,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.09 : 5,065.92 = 1,297.03 : x
  2. Step 2: Convert to fraction form
    3,378.09/5,065.92 = 1,297.03/x
  3. Step 3: Cross multiply
    3,378.09x = 5,065.92 × 1,297.03
  4. Step 4: Simplify right side
    3,378.09x = 6,570,650.22
  5. Step 5: Solve for x
    x = 6,570,650.22/3,378.09
  6. Step 6: Final answer
    x = 1,945.08

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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.