Home / 2,021.24-3,031.86-1,048.02

Finding the Fourth Proportional to 2,021.24, 3,031.86 and 1,048.02

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Solution

The fourth proportional to 2,021.24, 3,031.86 and 1,048.02 is: 1,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.24 : 3,031.86 = 1,048.02 : x
  2. Step 2: Convert to fraction form
    2,021.24/3,031.86 = 1,048.02/x
  3. Step 3: Cross multiply
    2,021.24x = 3,031.86 × 1,048.02
  4. Step 4: Simplify right side
    2,021.24x = 3,177,449.92
  5. Step 5: Solve for x
    x = 3,177,449.92/2,021.24
  6. Step 6: Final answer
    x = 1,572.03

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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.