Home / 3,309.73-4,567.50-1,817.68

Finding the Fourth Proportional to 3,309.73, 4,567.50 and 1,817.68

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Solution

The fourth proportional to 3,309.73, 4,567.50 and 1,817.68 is: 2,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.73 : 4,567.50 = 1,817.68 : x
  2. Step 2: Convert to fraction form
    3,309.73/4,567.50 = 1,817.68/x
  3. Step 3: Cross multiply
    3,309.73x = 4,567.50 × 1,817.68
  4. Step 4: Simplify right side
    3,309.73x = 8,302,245.21
  5. Step 5: Solve for x
    x = 8,302,245.21/3,309.73
  6. Step 6: Final answer
    x = 2,508.44

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1.5x scale

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.