Home / 3,984.48-5,497.56-2,412

Finding the Fourth Proportional to 3,984.48, 5,497.56 and 2,412

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Solution

The fourth proportional to 3,984.48, 5,497.56 and 2,412 is: 3,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.48 : 5,497.56 = 2,412 : x
  2. Step 2: Convert to fraction form
    3,984.48/5,497.56 = 2,412/x
  3. Step 3: Cross multiply
    3,984.48x = 5,497.56 × 2,412
  4. Step 4: Simplify right side
    3,984.48x = 13,260,114.72
  5. Step 5: Solve for x
    x = 13,260,114.72/3,984.48
  6. Step 6: Final answer
    x = 3,327.94

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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.