Home / 2,815.91-4,222.85-1,498.85

Finding the Fourth Proportional to 2,815.91, 4,222.85 and 1,498.85

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Solution

The fourth proportional to 2,815.91, 4,222.85 and 1,498.85 is: 2,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.91 : 4,222.85 = 1,498.85 : x
  2. Step 2: Convert to fraction form
    2,815.91/4,222.85 = 1,498.85/x
  3. Step 3: Cross multiply
    2,815.91x = 4,222.85 × 1,498.85
  4. Step 4: Simplify right side
    2,815.91x = 6,329,390.11
  5. Step 5: Solve for x
    x = 6,329,390.11/2,815.91
  6. Step 6: Final answer
    x = 2,247.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.