Home / 3,945.18-5,913.81-1,346.34

Finding the Fourth Proportional to 3,945.18, 5,913.81 and 1,346.34

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Solution

The fourth proportional to 3,945.18, 5,913.81 and 1,346.34 is: 2,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.18 : 5,913.81 = 1,346.34 : x
  2. Step 2: Convert to fraction form
    3,945.18/5,913.81 = 1,346.34/x
  3. Step 3: Cross multiply
    3,945.18x = 5,913.81 × 1,346.34
  4. Step 4: Simplify right side
    3,945.18x = 7,961,998.96
  5. Step 5: Solve for x
    x = 7,961,998.96/3,945.18
  6. Step 6: Final answer
    x = 2,018.16

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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.