Home / 3,921.28-5,883.93-2,605.93

Finding the Fourth Proportional to 3,921.28, 5,883.93 and 2,605.93

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Solution

The fourth proportional to 3,921.28, 5,883.93 and 2,605.93 is: 3,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.28 : 5,883.93 = 2,605.93 : x
  2. Step 2: Convert to fraction form
    3,921.28/5,883.93 = 2,605.93/x
  3. Step 3: Cross multiply
    3,921.28x = 5,883.93 × 2,605.93
  4. Step 4: Simplify right side
    3,921.28x = 15,333,149.19
  5. Step 5: Solve for x
    x = 15,333,149.19/3,921.28
  6. Step 6: Final answer
    x = 3,910.24

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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.