Home / 3,645.73-5,468.01-1,305.30

Finding the Fourth Proportional to 3,645.73, 5,468.01 and 1,305.30

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Solution

The fourth proportional to 3,645.73, 5,468.01 and 1,305.30 is: 1,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.73 : 5,468.01 = 1,305.30 : x
  2. Step 2: Convert to fraction form
    3,645.73/5,468.01 = 1,305.30/x
  3. Step 3: Cross multiply
    3,645.73x = 5,468.01 × 1,305.30
  4. Step 4: Simplify right side
    3,645.73x = 7,137,393.45
  5. Step 5: Solve for x
    x = 7,137,393.45/3,645.73
  6. Step 6: Final answer
    x = 1,957.74

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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.