Home / 2,306.33-3,183.02-1,311.77

Finding the Fourth Proportional to 2,306.33, 3,183.02 and 1,311.77

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Solution

The fourth proportional to 2,306.33, 3,183.02 and 1,311.77 is: 1,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.33 : 3,183.02 = 1,311.77 : x
  2. Step 2: Convert to fraction form
    2,306.33/3,183.02 = 1,311.77/x
  3. Step 3: Cross multiply
    2,306.33x = 3,183.02 × 1,311.77
  4. Step 4: Simplify right side
    2,306.33x = 4,175,367.67
  5. Step 5: Solve for x
    x = 4,175,367.67/2,306.33
  6. Step 6: Final answer
    x = 1,810.39

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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.