Home / 3,204.65-4,420.74-2,784.06

Finding the Fourth Proportional to 3,204.65, 4,420.74 and 2,784.06

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Solution

The fourth proportional to 3,204.65, 4,420.74 and 2,784.06 is: 3,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.65 : 4,420.74 = 2,784.06 : x
  2. Step 2: Convert to fraction form
    3,204.65/4,420.74 = 2,784.06/x
  3. Step 3: Cross multiply
    3,204.65x = 4,420.74 × 2,784.06
  4. Step 4: Simplify right side
    3,204.65x = 12,307,605.40
  5. Step 5: Solve for x
    x = 12,307,605.40/3,204.65
  6. Step 6: Final answer
    x = 3,840.55

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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.