Home / 2,823.65-4,234.76-1,262.78

Finding the Fourth Proportional to 2,823.65, 4,234.76 and 1,262.78

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Solution

The fourth proportional to 2,823.65, 4,234.76 and 1,262.78 is: 1,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.65 : 4,234.76 = 1,262.78 : x
  2. Step 2: Convert to fraction form
    2,823.65/4,234.76 = 1,262.78/x
  3. Step 3: Cross multiply
    2,823.65x = 4,234.76 × 1,262.78
  4. Step 4: Simplify right side
    2,823.65x = 5,347,570.23
  5. Step 5: Solve for x
    x = 5,347,570.23/2,823.65
  6. Step 6: Final answer
    x = 1,893.85

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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.