Home / 4,102.24-6,153.98-1,328

Finding the Fourth Proportional to 4,102.24, 6,153.98 and 1,328

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Solution

The fourth proportional to 4,102.24, 6,153.98 and 1,328 is: 1,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.24 : 6,153.98 = 1,328 : x
  2. Step 2: Convert to fraction form
    4,102.24/6,153.98 = 1,328/x
  3. Step 3: Cross multiply
    4,102.24x = 6,153.98 × 1,328
  4. Step 4: Simplify right side
    4,102.24x = 8,172,485.44
  5. Step 5: Solve for x
    x = 8,172,485.44/4,102.24
  6. Step 6: Final answer
    x = 1,992.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.