Home / 2,919.18-4,028.49-1,592.90

Finding the Fourth Proportional to 2,919.18, 4,028.49 and 1,592.90

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Solution

The fourth proportional to 2,919.18, 4,028.49 and 1,592.90 is: 2,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.18 : 4,028.49 = 1,592.90 : x
  2. Step 2: Convert to fraction form
    2,919.18/4,028.49 = 1,592.90/x
  3. Step 3: Cross multiply
    2,919.18x = 4,028.49 × 1,592.90
  4. Step 4: Simplify right side
    2,919.18x = 6,416,961.58
  5. Step 5: Solve for x
    x = 6,416,961.58/2,919.18
  6. Step 6: Final answer
    x = 2,198.21

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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.