Home / 3,031.80-4,183.31-1,836.54

Finding the Fourth Proportional to 3,031.80, 4,183.31 and 1,836.54

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Solution

The fourth proportional to 3,031.80, 4,183.31 and 1,836.54 is: 2,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.80 : 4,183.31 = 1,836.54 : x
  2. Step 2: Convert to fraction form
    3,031.80/4,183.31 = 1,836.54/x
  3. Step 3: Cross multiply
    3,031.80x = 4,183.31 × 1,836.54
  4. Step 4: Simplify right side
    3,031.80x = 7,682,822.65
  5. Step 5: Solve for x
    x = 7,682,822.65/3,031.80
  6. Step 6: Final answer
    x = 2,534.08

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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.