Home / 3,366.45-4,645.80-1,874.49

Finding the Fourth Proportional to 3,366.45, 4,645.80 and 1,874.49

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Solution

The fourth proportional to 3,366.45, 4,645.80 and 1,874.49 is: 2,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.45 : 4,645.80 = 1,874.49 : x
  2. Step 2: Convert to fraction form
    3,366.45/4,645.80 = 1,874.49/x
  3. Step 3: Cross multiply
    3,366.45x = 4,645.80 × 1,874.49
  4. Step 4: Simplify right side
    3,366.45x = 8,708,505.64
  5. Step 5: Solve for x
    x = 8,708,505.64/3,366.45
  6. Step 6: Final answer
    x = 2,586.85

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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.