Home / 3,623.59-5,436.07-1,372.79

Finding the Fourth Proportional to 3,623.59, 5,436.07 and 1,372.79

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Solution

The fourth proportional to 3,623.59, 5,436.07 and 1,372.79 is: 2,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.59 : 5,436.07 = 1,372.79 : x
  2. Step 2: Convert to fraction form
    3,623.59/5,436.07 = 1,372.79/x
  3. Step 3: Cross multiply
    3,623.59x = 5,436.07 × 1,372.79
  4. Step 4: Simplify right side
    3,623.59x = 7,462,610.61
  5. Step 5: Solve for x
    x = 7,462,610.61/3,623.59
  6. Step 6: Final answer
    x = 2,059.45

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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.