Home / 2,021.86-3,035.22-1,370.62

Finding the Fourth Proportional to 2,021.86, 3,035.22 and 1,370.62

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Solution

The fourth proportional to 2,021.86, 3,035.22 and 1,370.62 is: 2,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.86 : 3,035.22 = 1,370.62 : x
  2. Step 2: Convert to fraction form
    2,021.86/3,035.22 = 1,370.62/x
  3. Step 3: Cross multiply
    2,021.86x = 3,035.22 × 1,370.62
  4. Step 4: Simplify right side
    2,021.86x = 4,160,133.24
  5. Step 5: Solve for x
    x = 4,160,133.24/2,021.86
  6. Step 6: Final answer
    x = 2,057.58

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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.