Home / 3,653.21-5,477.02-1,186.54

Finding the Fourth Proportional to 3,653.21, 5,477.02 and 1,186.54

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Solution

The fourth proportional to 3,653.21, 5,477.02 and 1,186.54 is: 1,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.21 : 5,477.02 = 1,186.54 : x
  2. Step 2: Convert to fraction form
    3,653.21/5,477.02 = 1,186.54/x
  3. Step 3: Cross multiply
    3,653.21x = 5,477.02 × 1,186.54
  4. Step 4: Simplify right side
    3,653.21x = 6,498,703.31
  5. Step 5: Solve for x
    x = 6,498,703.31/3,653.21
  6. Step 6: Final answer
    x = 1,778.90

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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.