Home / 2,183.30-3,012.93-1,251.80

Finding the Fourth Proportional to 2,183.30, 3,012.93 and 1,251.80

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Solution

The fourth proportional to 2,183.30, 3,012.93 and 1,251.80 is: 1,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.30 : 3,012.93 = 1,251.80 : x
  2. Step 2: Convert to fraction form
    2,183.30/3,012.93 = 1,251.80/x
  3. Step 3: Cross multiply
    2,183.30x = 3,012.93 × 1,251.80
  4. Step 4: Simplify right side
    2,183.30x = 3,771,585.77
  5. Step 5: Solve for x
    x = 3,771,585.77/2,183.30
  6. Step 6: Final answer
    x = 1,727.47

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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.