Home / 2,255.70-3,384.36-1,611.48

Finding the Fourth Proportional to 2,255.70, 3,384.36 and 1,611.48

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Solution

The fourth proportional to 2,255.70, 3,384.36 and 1,611.48 is: 2,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.70 : 3,384.36 = 1,611.48 : x
  2. Step 2: Convert to fraction form
    2,255.70/3,384.36 = 1,611.48/x
  3. Step 3: Cross multiply
    2,255.70x = 3,384.36 × 1,611.48
  4. Step 4: Simplify right side
    2,255.70x = 5,453,828.45
  5. Step 5: Solve for x
    x = 5,453,828.45/2,255.70
  6. Step 6: Final answer
    x = 2,417.80

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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.