Home / 3,021.69-4,526.45-1,922.12

Finding the Fourth Proportional to 3,021.69, 4,526.45 and 1,922.12

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Solution

The fourth proportional to 3,021.69, 4,526.45 and 1,922.12 is: 2,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.69 : 4,526.45 = 1,922.12 : x
  2. Step 2: Convert to fraction form
    3,021.69/4,526.45 = 1,922.12/x
  3. Step 3: Cross multiply
    3,021.69x = 4,526.45 × 1,922.12
  4. Step 4: Simplify right side
    3,021.69x = 8,700,347.83
  5. Step 5: Solve for x
    x = 8,700,347.83/3,021.69
  6. Step 6: Final answer
    x = 2,879.30

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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.