Home / 2,788.36-4,183.16-1,057

Finding the Fourth Proportional to 2,788.36, 4,183.16 and 1,057

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Solution

The fourth proportional to 2,788.36, 4,183.16 and 1,057 is: 1,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.36 : 4,183.16 = 1,057 : x
  2. Step 2: Convert to fraction form
    2,788.36/4,183.16 = 1,057/x
  3. Step 3: Cross multiply
    2,788.36x = 4,183.16 × 1,057
  4. Step 4: Simplify right side
    2,788.36x = 4,421,600.12
  5. Step 5: Solve for x
    x = 4,421,600.12/2,788.36
  6. Step 6: Final answer
    x = 1,585.74

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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.