Home / 3,256.25-4,493.31-1,820.36

Finding the Fourth Proportional to 3,256.25, 4,493.31 and 1,820.36

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Solution

The fourth proportional to 3,256.25, 4,493.31 and 1,820.36 is: 2,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.25 : 4,493.31 = 1,820.36 : x
  2. Step 2: Convert to fraction form
    3,256.25/4,493.31 = 1,820.36/x
  3. Step 3: Cross multiply
    3,256.25x = 4,493.31 × 1,820.36
  4. Step 4: Simplify right side
    3,256.25x = 8,179,419.33
  5. Step 5: Solve for x
    x = 8,179,419.33/3,256.25
  6. Step 6: Final answer
    x = 2,511.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.