Home / 2,758.32-3,806.28-1,579.44

Finding the Fourth Proportional to 2,758.32, 3,806.28 and 1,579.44

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Solution

The fourth proportional to 2,758.32, 3,806.28 and 1,579.44 is: 2,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.32 : 3,806.28 = 1,579.44 : x
  2. Step 2: Convert to fraction form
    2,758.32/3,806.28 = 1,579.44/x
  3. Step 3: Cross multiply
    2,758.32x = 3,806.28 × 1,579.44
  4. Step 4: Simplify right side
    2,758.32x = 6,011,790.88
  5. Step 5: Solve for x
    x = 6,011,790.88/2,758.32
  6. Step 6: Final answer
    x = 2,179.51

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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.