Home / 2,788.08-4,183.23-1,248

Finding the Fourth Proportional to 2,788.08, 4,183.23 and 1,248

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Solution

The fourth proportional to 2,788.08, 4,183.23 and 1,248 is: 1,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.08 : 4,183.23 = 1,248 : x
  2. Step 2: Convert to fraction form
    2,788.08/4,183.23 = 1,248/x
  3. Step 3: Cross multiply
    2,788.08x = 4,183.23 × 1,248
  4. Step 4: Simplify right side
    2,788.08x = 5,220,671.04
  5. Step 5: Solve for x
    x = 5,220,671.04/2,788.08
  6. Step 6: Final answer
    x = 1,872.50

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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.