Home / 2,183.02-3,012.65-1,251.70

Finding the Fourth Proportional to 2,183.02, 3,012.65 and 1,251.70

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Solution

The fourth proportional to 2,183.02, 3,012.65 and 1,251.70 is: 1,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.02 : 3,012.65 = 1,251.70 : x
  2. Step 2: Convert to fraction form
    2,183.02/3,012.65 = 1,251.70/x
  3. Step 3: Cross multiply
    2,183.02x = 3,012.65 × 1,251.70
  4. Step 4: Simplify right side
    2,183.02x = 3,770,934.01
  5. Step 5: Solve for x
    x = 3,770,934.01/2,183.02
  6. Step 6: Final answer
    x = 1,727.39

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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.