Home / 3,396.80-4,685.64-2,451.54

Finding the Fourth Proportional to 3,396.80, 4,685.64 and 2,451.54

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Solution

The fourth proportional to 3,396.80, 4,685.64 and 2,451.54 is: 3,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.80 : 4,685.64 = 2,451.54 : x
  2. Step 2: Convert to fraction form
    3,396.80/4,685.64 = 2,451.54/x
  3. Step 3: Cross multiply
    3,396.80x = 4,685.64 × 2,451.54
  4. Step 4: Simplify right side
    3,396.80x = 11,487,033.89
  5. Step 5: Solve for x
    x = 11,487,033.89/3,396.80
  6. Step 6: Final answer
    x = 3,381.72

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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.