Home / 2,021.20-3,024.48-1,671.28

Finding the Fourth Proportional to 2,021.20, 3,024.48 and 1,671.28

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Solution

The fourth proportional to 2,021.20, 3,024.48 and 1,671.28 is: 2,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.20 : 3,024.48 = 1,671.28 : x
  2. Step 2: Convert to fraction form
    2,021.20/3,024.48 = 1,671.28/x
  3. Step 3: Cross multiply
    2,021.20x = 3,024.48 × 1,671.28
  4. Step 4: Simplify right side
    2,021.20x = 5,054,752.93
  5. Step 5: Solve for x
    x = 5,054,752.93/2,021.20
  6. Step 6: Final answer
    x = 2,500.87

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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.