Home / 3,204.30-4,802.40-2,839.80

Finding the Fourth Proportional to 3,204.30, 4,802.40 and 2,839.80

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Solution

The fourth proportional to 3,204.30, 4,802.40 and 2,839.80 is: 4,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.30 : 4,802.40 = 2,839.80 : x
  2. Step 2: Convert to fraction form
    3,204.30/4,802.40 = 2,839.80/x
  3. Step 3: Cross multiply
    3,204.30x = 4,802.40 × 2,839.80
  4. Step 4: Simplify right side
    3,204.30x = 13,637,855.52
  5. Step 5: Solve for x
    x = 13,637,855.52/3,204.30
  6. Step 6: Final answer
    x = 4,256.11

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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.