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Finding the Fourth Proportional to 3,992.84, 5,991.56 and 1,652.41

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Solution

The fourth proportional to 3,992.84, 5,991.56 and 1,652.41 is: 2,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.84 : 5,991.56 = 1,652.41 : x
  2. Step 2: Convert to fraction form
    3,992.84/5,991.56 = 1,652.41/x
  3. Step 3: Cross multiply
    3,992.84x = 5,991.56 × 1,652.41
  4. Step 4: Simplify right side
    3,992.84x = 9,900,513.66
  5. Step 5: Solve for x
    x = 9,900,513.66/3,992.84
  6. Step 6: Final answer
    x = 2,479.57

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1.5x scale

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.