Home / 2,556.84-3,834.66-1,240.56

Finding the Fourth Proportional to 2,556.84, 3,834.66 and 1,240.56

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Solution

The fourth proportional to 2,556.84, 3,834.66 and 1,240.56 is: 1,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.84 : 3,834.66 = 1,240.56 : x
  2. Step 2: Convert to fraction form
    2,556.84/3,834.66 = 1,240.56/x
  3. Step 3: Cross multiply
    2,556.84x = 3,834.66 × 1,240.56
  4. Step 4: Simplify right side
    2,556.84x = 4,757,125.81
  5. Step 5: Solve for x
    x = 4,757,125.81/2,556.84
  6. Step 6: Final answer
    x = 1,860.55

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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.