Home / 2,383.40-3,568.94-1,645.29

Finding the Fourth Proportional to 2,383.40, 3,568.94 and 1,645.29

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Solution

The fourth proportional to 2,383.40, 3,568.94 and 1,645.29 is: 2,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.40 : 3,568.94 = 1,645.29 : x
  2. Step 2: Convert to fraction form
    2,383.40/3,568.94 = 1,645.29/x
  3. Step 3: Cross multiply
    2,383.40x = 3,568.94 × 1,645.29
  4. Step 4: Simplify right side
    2,383.40x = 5,871,933.07
  5. Step 5: Solve for x
    x = 5,871,933.07/2,383.40
  6. Step 6: Final answer
    x = 2,463.68

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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.