Home / 3,905.36-5,858.01-1,308.28

Finding the Fourth Proportional to 3,905.36, 5,858.01 and 1,308.28

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Solution

The fourth proportional to 3,905.36, 5,858.01 and 1,308.28 is: 1,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.36 : 5,858.01 = 1,308.28 : x
  2. Step 2: Convert to fraction form
    3,905.36/5,858.01 = 1,308.28/x
  3. Step 3: Cross multiply
    3,905.36x = 5,858.01 × 1,308.28
  4. Step 4: Simplify right side
    3,905.36x = 7,663,917.32
  5. Step 5: Solve for x
    x = 7,663,917.32/3,905.36
  6. Step 6: Final answer
    x = 1,962.41

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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.