Home / 3,958.40-5,933.48-1,491.52

Finding the Fourth Proportional to 3,958.40, 5,933.48 and 1,491.52

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Solution

The fourth proportional to 3,958.40, 5,933.48 and 1,491.52 is: 2,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.40 : 5,933.48 = 1,491.52 : x
  2. Step 2: Convert to fraction form
    3,958.40/5,933.48 = 1,491.52/x
  3. Step 3: Cross multiply
    3,958.40x = 5,933.48 × 1,491.52
  4. Step 4: Simplify right side
    3,958.40x = 8,849,904.09
  5. Step 5: Solve for x
    x = 8,849,904.09/3,958.40
  6. Step 6: Final answer
    x = 2,235.73

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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.