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Finding the Fourth Proportional to 3,568.76, 4,925.02 and 1,996.82

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Solution

The fourth proportional to 3,568.76, 4,925.02 and 1,996.82 is: 2,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.76 : 4,925.02 = 1,996.82 : x
  2. Step 2: Convert to fraction form
    3,568.76/4,925.02 = 1,996.82/x
  3. Step 3: Cross multiply
    3,568.76x = 4,925.02 × 1,996.82
  4. Step 4: Simplify right side
    3,568.76x = 9,834,353.81
  5. Step 5: Solve for x
    x = 9,834,353.81/3,568.76
  6. Step 6: Final answer
    x = 2,755.68

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1.5x scale

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.