Home / 2,183.37-3,011.80-1,299.46

Finding the Fourth Proportional to 2,183.37, 3,011.80 and 1,299.46

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Solution

The fourth proportional to 2,183.37, 3,011.80 and 1,299.46 is: 1,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.37 : 3,011.80 = 1,299.46 : x
  2. Step 2: Convert to fraction form
    2,183.37/3,011.80 = 1,299.46/x
  3. Step 3: Cross multiply
    2,183.37x = 3,011.80 × 1,299.46
  4. Step 4: Simplify right side
    2,183.37x = 3,913,713.63
  5. Step 5: Solve for x
    x = 3,913,713.63/2,183.37
  6. Step 6: Final answer
    x = 1,792.51

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1.5x scale

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.