Home / 2,882.24-3,976.40-1,819.70

Finding the Fourth Proportional to 2,882.24, 3,976.40 and 1,819.70

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Solution

The fourth proportional to 2,882.24, 3,976.40 and 1,819.70 is: 2,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.24 : 3,976.40 = 1,819.70 : x
  2. Step 2: Convert to fraction form
    2,882.24/3,976.40 = 1,819.70/x
  3. Step 3: Cross multiply
    2,882.24x = 3,976.40 × 1,819.70
  4. Step 4: Simplify right side
    2,882.24x = 7,235,855.08
  5. Step 5: Solve for x
    x = 7,235,855.08/2,882.24
  6. Step 6: Final answer
    x = 2,510.50

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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.