Home / 3,945.68-5,920.54-2,301.28

Finding the Fourth Proportional to 3,945.68, 5,920.54 and 2,301.28

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Solution

The fourth proportional to 3,945.68, 5,920.54 and 2,301.28 is: 3,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.68 : 5,920.54 = 2,301.28 : x
  2. Step 2: Convert to fraction form
    3,945.68/5,920.54 = 2,301.28/x
  3. Step 3: Cross multiply
    3,945.68x = 5,920.54 × 2,301.28
  4. Step 4: Simplify right side
    3,945.68x = 13,624,820.29
  5. Step 5: Solve for x
    x = 13,624,820.29/3,945.68
  6. Step 6: Final answer
    x = 3,453.10

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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.