Home / 3,610.42-5,416.31-1,145.86

Finding the Fourth Proportional to 3,610.42, 5,416.31 and 1,145.86

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Solution

The fourth proportional to 3,610.42, 5,416.31 and 1,145.86 is: 1,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.42 : 5,416.31 = 1,145.86 : x
  2. Step 2: Convert to fraction form
    3,610.42/5,416.31 = 1,145.86/x
  3. Step 3: Cross multiply
    3,610.42x = 5,416.31 × 1,145.86
  4. Step 4: Simplify right side
    3,610.42x = 6,206,332.98
  5. Step 5: Solve for x
    x = 6,206,332.98/3,610.42
  6. Step 6: Final answer
    x = 1,719.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.