Home / 3,366.55-4,645.72-1,874.43

Finding the Fourth Proportional to 3,366.55, 4,645.72 and 1,874.43

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Solution

The fourth proportional to 3,366.55, 4,645.72 and 1,874.43 is: 2,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.55 : 4,645.72 = 1,874.43 : x
  2. Step 2: Convert to fraction form
    3,366.55/4,645.72 = 1,874.43/x
  3. Step 3: Cross multiply
    3,366.55x = 4,645.72 × 1,874.43
  4. Step 4: Simplify right side
    3,366.55x = 8,708,076.94
  5. Step 5: Solve for x
    x = 8,708,076.94/3,366.55
  6. Step 6: Final answer
    x = 2,586.65

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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.