Home / 3,687.03-5,527.22-1,345.40

Finding the Fourth Proportional to 3,687.03, 5,527.22 and 1,345.40

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Solution

The fourth proportional to 3,687.03, 5,527.22 and 1,345.40 is: 2,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.03 : 5,527.22 = 1,345.40 : x
  2. Step 2: Convert to fraction form
    3,687.03/5,527.22 = 1,345.40/x
  3. Step 3: Cross multiply
    3,687.03x = 5,527.22 × 1,345.40
  4. Step 4: Simplify right side
    3,687.03x = 7,436,321.79
  5. Step 5: Solve for x
    x = 7,436,321.79/3,687.03
  6. Step 6: Final answer
    x = 2,016.89

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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.