Home / 3,669.28-5,503.92-1,821.69

Finding the Fourth Proportional to 3,669.28, 5,503.92 and 1,821.69

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Solution

The fourth proportional to 3,669.28, 5,503.92 and 1,821.69 is: 2,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.28 : 5,503.92 = 1,821.69 : x
  2. Step 2: Convert to fraction form
    3,669.28/5,503.92 = 1,821.69/x
  3. Step 3: Cross multiply
    3,669.28x = 5,503.92 × 1,821.69
  4. Step 4: Simplify right side
    3,669.28x = 10,026,429.19
  5. Step 5: Solve for x
    x = 10,026,429.19/3,669.28
  6. Step 6: Final answer
    x = 2,732.53

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1.5x scale

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.