Home / 3,094.90-4,642.62-1,147.12

Finding the Fourth Proportional to 3,094.90, 4,642.62 and 1,147.12

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Solution

The fourth proportional to 3,094.90, 4,642.62 and 1,147.12 is: 1,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.90 : 4,642.62 = 1,147.12 : x
  2. Step 2: Convert to fraction form
    3,094.90/4,642.62 = 1,147.12/x
  3. Step 3: Cross multiply
    3,094.90x = 4,642.62 × 1,147.12
  4. Step 4: Simplify right side
    3,094.90x = 5,325,642.25
  5. Step 5: Solve for x
    x = 5,325,642.25/3,094.90
  6. Step 6: Final answer
    x = 1,720.78

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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.