Home / 3,309.98-4,567.80-1,817.92

Finding the Fourth Proportional to 3,309.98, 4,567.80 and 1,817.92

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Solution

The fourth proportional to 3,309.98, 4,567.80 and 1,817.92 is: 2,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.98 : 4,567.80 = 1,817.92 : x
  2. Step 2: Convert to fraction form
    3,309.98/4,567.80 = 1,817.92/x
  3. Step 3: Cross multiply
    3,309.98x = 4,567.80 × 1,817.92
  4. Step 4: Simplify right side
    3,309.98x = 8,303,897.31
  5. Step 5: Solve for x
    x = 8,303,897.31/3,309.98
  6. Step 6: Final answer
    x = 2,508.75

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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.