Home / 3,972.93-5,962.07-2,125.35

Finding the Fourth Proportional to 3,972.93, 5,962.07 and 2,125.35

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Solution

The fourth proportional to 3,972.93, 5,962.07 and 2,125.35 is: 3,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.93 : 5,962.07 = 2,125.35 : x
  2. Step 2: Convert to fraction form
    3,972.93/5,962.07 = 2,125.35/x
  3. Step 3: Cross multiply
    3,972.93x = 5,962.07 × 2,125.35
  4. Step 4: Simplify right side
    3,972.93x = 12,671,474.85
  5. Step 5: Solve for x
    x = 12,671,474.85/3,972.93
  6. Step 6: Final answer
    x = 3,189.45

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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.