Home / 3,320.69-4,581.81-1,922.63

Finding the Fourth Proportional to 3,320.69, 4,581.81 and 1,922.63

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Solution

The fourth proportional to 3,320.69, 4,581.81 and 1,922.63 is: 2,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.69 : 4,581.81 = 1,922.63 : x
  2. Step 2: Convert to fraction form
    3,320.69/4,581.81 = 1,922.63/x
  3. Step 3: Cross multiply
    3,320.69x = 4,581.81 × 1,922.63
  4. Step 4: Simplify right side
    3,320.69x = 8,809,102.45
  5. Step 5: Solve for x
    x = 8,809,102.45/3,320.69
  6. Step 6: Final answer
    x = 2,652.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.