Home / 3,914.39-5,870.96-1,281.87

Finding the Fourth Proportional to 3,914.39, 5,870.96 and 1,281.87

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Solution

The fourth proportional to 3,914.39, 5,870.96 and 1,281.87 is: 1,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.39 : 5,870.96 = 1,281.87 : x
  2. Step 2: Convert to fraction form
    3,914.39/5,870.96 = 1,281.87/x
  3. Step 3: Cross multiply
    3,914.39x = 5,870.96 × 1,281.87
  4. Step 4: Simplify right side
    3,914.39x = 7,525,771.73
  5. Step 5: Solve for x
    x = 7,525,771.73/3,914.39
  6. Step 6: Final answer
    x = 1,922.59

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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.