Home / 3,309.46-4,567.34-1,817.66

Finding the Fourth Proportional to 3,309.46, 4,567.34 and 1,817.66

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Solution

The fourth proportional to 3,309.46, 4,567.34 and 1,817.66 is: 2,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.46 : 4,567.34 = 1,817.66 : x
  2. Step 2: Convert to fraction form
    3,309.46/4,567.34 = 1,817.66/x
  3. Step 3: Cross multiply
    3,309.46x = 4,567.34 × 1,817.66
  4. Step 4: Simplify right side
    3,309.46x = 8,301,871.22
  5. Step 5: Solve for x
    x = 8,301,871.22/3,309.46
  6. Step 6: Final answer
    x = 2,508.53

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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.