Home / 3,153.52-4,351.64-1,808.98

Finding the Fourth Proportional to 3,153.52, 4,351.64 and 1,808.98

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Solution

The fourth proportional to 3,153.52, 4,351.64 and 1,808.98 is: 2,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.52 : 4,351.64 = 1,808.98 : x
  2. Step 2: Convert to fraction form
    3,153.52/4,351.64 = 1,808.98/x
  3. Step 3: Cross multiply
    3,153.52x = 4,351.64 × 1,808.98
  4. Step 4: Simplify right side
    3,153.52x = 7,872,029.73
  5. Step 5: Solve for x
    x = 7,872,029.73/3,153.52
  6. Step 6: Final answer
    x = 2,496.27

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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.