Home / 3,864.75-5,795.18-1,890.53

Finding the Fourth Proportional to 3,864.75, 5,795.18 and 1,890.53

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Solution

The fourth proportional to 3,864.75, 5,795.18 and 1,890.53 is: 2,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.75 : 5,795.18 = 1,890.53 : x
  2. Step 2: Convert to fraction form
    3,864.75/5,795.18 = 1,890.53/x
  3. Step 3: Cross multiply
    3,864.75x = 5,795.18 × 1,890.53
  4. Step 4: Simplify right side
    3,864.75x = 10,955,923.22
  5. Step 5: Solve for x
    x = 10,955,923.22/3,864.75
  6. Step 6: Final answer
    x = 2,834.84

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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.