Home / 2,919.08-4,380.30-1,164.24

Finding the Fourth Proportional to 2,919.08, 4,380.30 and 1,164.24

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Solution

The fourth proportional to 2,919.08, 4,380.30 and 1,164.24 is: 1,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.08 : 4,380.30 = 1,164.24 : x
  2. Step 2: Convert to fraction form
    2,919.08/4,380.30 = 1,164.24/x
  3. Step 3: Cross multiply
    2,919.08x = 4,380.30 × 1,164.24
  4. Step 4: Simplify right side
    2,919.08x = 5,099,720.47
  5. Step 5: Solve for x
    x = 5,099,720.47/2,919.08
  6. Step 6: Final answer
    x = 1,747.03

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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.