Home / 3,989.88-5,502.45-2,497.94

Finding the Fourth Proportional to 3,989.88, 5,502.45 and 2,497.94

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Solution

The fourth proportional to 3,989.88, 5,502.45 and 2,497.94 is: 3,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.88 : 5,502.45 = 2,497.94 : x
  2. Step 2: Convert to fraction form
    3,989.88/5,502.45 = 2,497.94/x
  3. Step 3: Cross multiply
    3,989.88x = 5,502.45 × 2,497.94
  4. Step 4: Simplify right side
    3,989.88x = 13,744,762.44
  5. Step 5: Solve for x
    x = 13,744,762.44/3,989.88
  6. Step 6: Final answer
    x = 3,444.91

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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.