Home / 2,758.28-3,806.58-1,826.12

Finding the Fourth Proportional to 2,758.28, 3,806.58 and 1,826.12

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Solution

The fourth proportional to 2,758.28, 3,806.58 and 1,826.12 is: 2,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.28 : 3,806.58 = 1,826.12 : x
  2. Step 2: Convert to fraction form
    2,758.28/3,806.58 = 1,826.12/x
  3. Step 3: Cross multiply
    2,758.28x = 3,806.58 × 1,826.12
  4. Step 4: Simplify right side
    2,758.28x = 6,951,271.87
  5. Step 5: Solve for x
    x = 6,951,271.87/2,758.28
  6. Step 6: Final answer
    x = 2,520.15

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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.