Home / 3,218.71-4,829.03-1,849.75

Finding the Fourth Proportional to 3,218.71, 4,829.03 and 1,849.75

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Solution

The fourth proportional to 3,218.71, 4,829.03 and 1,849.75 is: 2,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.71 : 4,829.03 = 1,849.75 : x
  2. Step 2: Convert to fraction form
    3,218.71/4,829.03 = 1,849.75/x
  3. Step 3: Cross multiply
    3,218.71x = 4,829.03 × 1,849.75
  4. Step 4: Simplify right side
    3,218.71x = 8,932,498.24
  5. Step 5: Solve for x
    x = 8,932,498.24/3,218.71
  6. Step 6: Final answer
    x = 2,775.18

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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.