Home / 2,031.58-3,043.12-1,297.42

Finding the Fourth Proportional to 2,031.58, 3,043.12 and 1,297.42

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Solution

The fourth proportional to 2,031.58, 3,043.12 and 1,297.42 is: 1,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.58 : 3,043.12 = 1,297.42 : x
  2. Step 2: Convert to fraction form
    2,031.58/3,043.12 = 1,297.42/x
  3. Step 3: Cross multiply
    2,031.58x = 3,043.12 × 1,297.42
  4. Step 4: Simplify right side
    2,031.58x = 3,948,183.05
  5. Step 5: Solve for x
    x = 3,948,183.05/2,031.58
  6. Step 6: Final answer
    x = 1,943.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.