Home / 2,183.37-3,014.08-1,397.87

Finding the Fourth Proportional to 2,183.37, 3,014.08 and 1,397.87

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Solution

The fourth proportional to 2,183.37, 3,014.08 and 1,397.87 is: 1,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.37 : 3,014.08 = 1,397.87 : x
  2. Step 2: Convert to fraction form
    2,183.37/3,014.08 = 1,397.87/x
  3. Step 3: Cross multiply
    2,183.37x = 3,014.08 × 1,397.87
  4. Step 4: Simplify right side
    2,183.37x = 4,213,285.02
  5. Step 5: Solve for x
    x = 4,213,285.02/2,183.37
  6. Step 6: Final answer
    x = 1,929.72

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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.