Home / 3,645.70-5,028.40-2,384.73

Finding the Fourth Proportional to 3,645.70, 5,028.40 and 2,384.73

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Solution

The fourth proportional to 3,645.70, 5,028.40 and 2,384.73 is: 3,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.70 : 5,028.40 = 2,384.73 : x
  2. Step 2: Convert to fraction form
    3,645.70/5,028.40 = 2,384.73/x
  3. Step 3: Cross multiply
    3,645.70x = 5,028.40 × 2,384.73
  4. Step 4: Simplify right side
    3,645.70x = 11,991,376.33
  5. Step 5: Solve for x
    x = 11,991,376.33/3,645.70
  6. Step 6: Final answer
    x = 3,289.18

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1.5x scale

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.