Home / 3,204.65-4,422.47-1,788.48

Finding the Fourth Proportional to 3,204.65, 4,422.47 and 1,788.48

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Solution

The fourth proportional to 3,204.65, 4,422.47 and 1,788.48 is: 2,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.65 : 4,422.47 = 1,788.48 : x
  2. Step 2: Convert to fraction form
    3,204.65/4,422.47 = 1,788.48/x
  3. Step 3: Cross multiply
    3,204.65x = 4,422.47 × 1,788.48
  4. Step 4: Simplify right side
    3,204.65x = 7,909,490.20
  5. Step 5: Solve for x
    x = 7,909,490.20/3,204.65
  6. Step 6: Final answer
    x = 2,468.13

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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.