Home / 3,645.48-5,467.64-1,305.05

Finding the Fourth Proportional to 3,645.48, 5,467.64 and 1,305.05

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Solution

The fourth proportional to 3,645.48, 5,467.64 and 1,305.05 is: 1,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.48 : 5,467.64 = 1,305.05 : x
  2. Step 2: Convert to fraction form
    3,645.48/5,467.64 = 1,305.05/x
  3. Step 3: Cross multiply
    3,645.48x = 5,467.64 × 1,305.05
  4. Step 4: Simplify right side
    3,645.48x = 7,135,537.06
  5. Step 5: Solve for x
    x = 7,135,537.06/3,645.48
  6. Step 6: Final answer
    x = 1,957.37

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1.5x scale

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.