Home / 3,652.43-5,478.73-1,187.24

Finding the Fourth Proportional to 3,652.43, 5,478.73 and 1,187.24

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Solution

The fourth proportional to 3,652.43, 5,478.73 and 1,187.24 is: 1,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.43 : 5,478.73 = 1,187.24 : x
  2. Step 2: Convert to fraction form
    3,652.43/5,478.73 = 1,187.24/x
  3. Step 3: Cross multiply
    3,652.43x = 5,478.73 × 1,187.24
  4. Step 4: Simplify right side
    3,652.43x = 6,504,567.41
  5. Step 5: Solve for x
    x = 6,504,567.41/3,652.43
  6. Step 6: Final answer
    x = 1,780.89

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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.