Home / 3,916.38-5,875.44-1,319.25

Finding the Fourth Proportional to 3,916.38, 5,875.44 and 1,319.25

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Solution

The fourth proportional to 3,916.38, 5,875.44 and 1,319.25 is: 1,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.38 : 5,875.44 = 1,319.25 : x
  2. Step 2: Convert to fraction form
    3,916.38/5,875.44 = 1,319.25/x
  3. Step 3: Cross multiply
    3,916.38x = 5,875.44 × 1,319.25
  4. Step 4: Simplify right side
    3,916.38x = 7,751,174.22
  5. Step 5: Solve for x
    x = 7,751,174.22/3,916.38
  6. Step 6: Final answer
    x = 1,979.17

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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.