Home / 3,984.16-5,497.36-2,412.96

Finding the Fourth Proportional to 3,984.16, 5,497.36 and 2,412.96

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Solution

The fourth proportional to 3,984.16, 5,497.36 and 2,412.96 is: 3,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.16 : 5,497.36 = 2,412.96 : x
  2. Step 2: Convert to fraction form
    3,984.16/5,497.36 = 2,412.96/x
  3. Step 3: Cross multiply
    3,984.16x = 5,497.36 × 2,412.96
  4. Step 4: Simplify right side
    3,984.16x = 13,264,909.79
  5. Step 5: Solve for x
    x = 13,264,909.79/3,984.16
  6. Step 6: Final answer
    x = 3,329.41

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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.