Home / 2,257.56-3,384.07-1,085.85

Finding the Fourth Proportional to 2,257.56, 3,384.07 and 1,085.85

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Solution

The fourth proportional to 2,257.56, 3,384.07 and 1,085.85 is: 1,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.56 : 3,384.07 = 1,085.85 : x
  2. Step 2: Convert to fraction form
    2,257.56/3,384.07 = 1,085.85/x
  3. Step 3: Cross multiply
    2,257.56x = 3,384.07 × 1,085.85
  4. Step 4: Simplify right side
    2,257.56x = 3,674,589.69
  5. Step 5: Solve for x
    x = 3,674,589.69/2,257.56
  6. Step 6: Final answer
    x = 1,627.68

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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.