Home / 3,957.05-5,933.38-1,618.69

Finding the Fourth Proportional to 3,957.05, 5,933.38 and 1,618.69

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Solution

The fourth proportional to 3,957.05, 5,933.38 and 1,618.69 is: 2,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.05 : 5,933.38 = 1,618.69 : x
  2. Step 2: Convert to fraction form
    3,957.05/5,933.38 = 1,618.69/x
  3. Step 3: Cross multiply
    3,957.05x = 5,933.38 × 1,618.69
  4. Step 4: Simplify right side
    3,957.05x = 9,604,317.37
  5. Step 5: Solve for x
    x = 9,604,317.37/3,957.05
  6. Step 6: Final answer
    x = 2,427.14

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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.