Home / 2,183.00-3,012.40-1,225.83

Finding the Fourth Proportional to 2,183.00, 3,012.40 and 1,225.83

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Solution

The fourth proportional to 2,183.00, 3,012.40 and 1,225.83 is: 1,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.00 : 3,012.40 = 1,225.83 : x
  2. Step 2: Convert to fraction form
    2,183.00/3,012.40 = 1,225.83/x
  3. Step 3: Cross multiply
    2,183.00x = 3,012.40 × 1,225.83
  4. Step 4: Simplify right side
    2,183.00x = 3,692,690.29
  5. Step 5: Solve for x
    x = 3,692,690.29/2,183.00
  6. Step 6: Final answer
    x = 1,691.57

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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.