Home / 3,328.80-4,996.40-2,842.40

Finding the Fourth Proportional to 3,328.80, 4,996.40 and 2,842.40

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Solution

The fourth proportional to 3,328.80, 4,996.40 and 2,842.40 is: 4,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.80 : 4,996.40 = 2,842.40 : x
  2. Step 2: Convert to fraction form
    3,328.80/4,996.40 = 2,842.40/x
  3. Step 3: Cross multiply
    3,328.80x = 4,996.40 × 2,842.40
  4. Step 4: Simplify right side
    3,328.80x = 14,201,767.36
  5. Step 5: Solve for x
    x = 14,201,767.36/3,328.80
  6. Step 6: Final answer
    x = 4,266.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.