Home / 2,256.41-3,385.91-1,216.41

Finding the Fourth Proportional to 2,256.41, 3,385.91 and 1,216.41

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Solution

The fourth proportional to 2,256.41, 3,385.91 and 1,216.41 is: 1,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.41 : 3,385.91 = 1,216.41 : x
  2. Step 2: Convert to fraction form
    2,256.41/3,385.91 = 1,216.41/x
  3. Step 3: Cross multiply
    2,256.41x = 3,385.91 × 1,216.41
  4. Step 4: Simplify right side
    2,256.41x = 4,118,657.82
  5. Step 5: Solve for x
    x = 4,118,657.82/2,256.41
  6. Step 6: Final answer
    x = 1,825.31

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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.