Home / 3,309.73-4,567.35-1,817.79

Finding the Fourth Proportional to 3,309.73, 4,567.35 and 1,817.79

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Solution

The fourth proportional to 3,309.73, 4,567.35 and 1,817.79 is: 2,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.73 : 4,567.35 = 1,817.79 : x
  2. Step 2: Convert to fraction form
    3,309.73/4,567.35 = 1,817.79/x
  3. Step 3: Cross multiply
    3,309.73x = 4,567.35 × 1,817.79
  4. Step 4: Simplify right side
    3,309.73x = 8,302,483.16
  5. Step 5: Solve for x
    x = 8,302,483.16/3,309.73
  6. Step 6: Final answer
    x = 2,508.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.