Home / 2,758.03-3,806.28-1,579.15

Finding the Fourth Proportional to 2,758.03, 3,806.28 and 1,579.15

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Solution

The fourth proportional to 2,758.03, 3,806.28 and 1,579.15 is: 2,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.03 : 3,806.28 = 1,579.15 : x
  2. Step 2: Convert to fraction form
    2,758.03/3,806.28 = 1,579.15/x
  3. Step 3: Cross multiply
    2,758.03x = 3,806.28 × 1,579.15
  4. Step 4: Simplify right side
    2,758.03x = 6,010,687.06
  5. Step 5: Solve for x
    x = 6,010,687.06/2,758.03
  6. Step 6: Final answer
    x = 2,179.34

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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.