Home / 2,031.21-3,044.61-1,057.41

Finding the Fourth Proportional to 2,031.21, 3,044.61 and 1,057.41

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Solution

The fourth proportional to 2,031.21, 3,044.61 and 1,057.41 is: 1,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.21 : 3,044.61 = 1,057.41 : x
  2. Step 2: Convert to fraction form
    2,031.21/3,044.61 = 1,057.41/x
  3. Step 3: Cross multiply
    2,031.21x = 3,044.61 × 1,057.41
  4. Step 4: Simplify right side
    2,031.21x = 3,219,401.06
  5. Step 5: Solve for x
    x = 3,219,401.06/2,031.21
  6. Step 6: Final answer
    x = 1,584.97

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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.