Home / 3,923.76-5,886.18-1,458.37

Finding the Fourth Proportional to 3,923.76, 5,886.18 and 1,458.37

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Solution

The fourth proportional to 3,923.76, 5,886.18 and 1,458.37 is: 2,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.76 : 5,886.18 = 1,458.37 : x
  2. Step 2: Convert to fraction form
    3,923.76/5,886.18 = 1,458.37/x
  3. Step 3: Cross multiply
    3,923.76x = 5,886.18 × 1,458.37
  4. Step 4: Simplify right side
    3,923.76x = 8,584,228.33
  5. Step 5: Solve for x
    x = 8,584,228.33/3,923.76
  6. Step 6: Final answer
    x = 2,187.76

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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.