Home / 3,153.88-4,351.96-1,827.56

Finding the Fourth Proportional to 3,153.88, 4,351.96 and 1,827.56

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Solution

The fourth proportional to 3,153.88, 4,351.96 and 1,827.56 is: 2,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.88 : 4,351.96 = 1,827.56 : x
  2. Step 2: Convert to fraction form
    3,153.88/4,351.96 = 1,827.56/x
  3. Step 3: Cross multiply
    3,153.88x = 4,351.96 × 1,827.56
  4. Step 4: Simplify right side
    3,153.88x = 7,953,468.02
  5. Step 5: Solve for x
    x = 7,953,468.02/3,153.88
  6. Step 6: Final answer
    x = 2,521.80

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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.