Home / 3,309.45-4,567.10-1,817.43

Finding the Fourth Proportional to 3,309.45, 4,567.10 and 1,817.43

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Solution

The fourth proportional to 3,309.45, 4,567.10 and 1,817.43 is: 2,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.45 : 4,567.10 = 1,817.43 : x
  2. Step 2: Convert to fraction form
    3,309.45/4,567.10 = 1,817.43/x
  3. Step 3: Cross multiply
    3,309.45x = 4,567.10 × 1,817.43
  4. Step 4: Simplify right side
    3,309.45x = 8,300,406.22
  5. Step 5: Solve for x
    x = 8,300,406.22/3,309.45
  6. Step 6: Final answer
    x = 2,508.09

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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.