Home / 2,052.36-3,079.41-1,078.20

Finding the Fourth Proportional to 2,052.36, 3,079.41 and 1,078.20

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Solution

The fourth proportional to 2,052.36, 3,079.41 and 1,078.20 is: 1,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.36 : 3,079.41 = 1,078.20 : x
  2. Step 2: Convert to fraction form
    2,052.36/3,079.41 = 1,078.20/x
  3. Step 3: Cross multiply
    2,052.36x = 3,079.41 × 1,078.20
  4. Step 4: Simplify right side
    2,052.36x = 3,320,219.86
  5. Step 5: Solve for x
    x = 3,320,219.86/2,052.36
  6. Step 6: Final answer
    x = 1,617.76

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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.