Home / 3,923.91-5,885.33-1,458.39

Finding the Fourth Proportional to 3,923.91, 5,885.33 and 1,458.39

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Solution

The fourth proportional to 3,923.91, 5,885.33 and 1,458.39 is: 2,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.91 : 5,885.33 = 1,458.39 : x
  2. Step 2: Convert to fraction form
    3,923.91/5,885.33 = 1,458.39/x
  3. Step 3: Cross multiply
    3,923.91x = 5,885.33 × 1,458.39
  4. Step 4: Simplify right side
    3,923.91x = 8,583,106.42
  5. Step 5: Solve for x
    x = 8,583,106.42/3,923.91
  6. Step 6: Final answer
    x = 2,187.39

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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.