Home / 2,758.46-3,806.73-1,579.50

Finding the Fourth Proportional to 2,758.46, 3,806.73 and 1,579.50

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Solution

The fourth proportional to 2,758.46, 3,806.73 and 1,579.50 is: 2,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.46 : 3,806.73 = 1,579.50 : x
  2. Step 2: Convert to fraction form
    2,758.46/3,806.73 = 1,579.50/x
  3. Step 3: Cross multiply
    2,758.46x = 3,806.73 × 1,579.50
  4. Step 4: Simplify right side
    2,758.46x = 6,012,730.04
  5. Step 5: Solve for x
    x = 6,012,730.04/2,758.46
  6. Step 6: Final answer
    x = 2,179.75

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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.