Home / 3,309.93-4,567.78-1,817.88

Finding the Fourth Proportional to 3,309.93, 4,567.78 and 1,817.88

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Solution

The fourth proportional to 3,309.93, 4,567.78 and 1,817.88 is: 2,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.93 : 4,567.78 = 1,817.88 : x
  2. Step 2: Convert to fraction form
    3,309.93/4,567.78 = 1,817.88/x
  3. Step 3: Cross multiply
    3,309.93x = 4,567.78 × 1,817.88
  4. Step 4: Simplify right side
    3,309.93x = 8,303,675.91
  5. Step 5: Solve for x
    x = 8,303,675.91/3,309.93
  6. Step 6: Final answer
    x = 2,508.72

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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.