Home / 2,919.09-4,028.32-1,592.79

Finding the Fourth Proportional to 2,919.09, 4,028.32 and 1,592.79

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Solution

The fourth proportional to 2,919.09, 4,028.32 and 1,592.79 is: 2,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.09 : 4,028.32 = 1,592.79 : x
  2. Step 2: Convert to fraction form
    2,919.09/4,028.32 = 1,592.79/x
  3. Step 3: Cross multiply
    2,919.09x = 4,028.32 × 1,592.79
  4. Step 4: Simplify right side
    2,919.09x = 6,416,267.81
  5. Step 5: Solve for x
    x = 6,416,267.81/2,919.09
  6. Step 6: Final answer
    x = 2,198.04

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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.