Home / 3,429.84-4,731.44-2,168.77

Finding the Fourth Proportional to 3,429.84, 4,731.44 and 2,168.77

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Solution

The fourth proportional to 3,429.84, 4,731.44 and 2,168.77 is: 2,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.84 : 4,731.44 = 2,168.77 : x
  2. Step 2: Convert to fraction form
    3,429.84/4,731.44 = 2,168.77/x
  3. Step 3: Cross multiply
    3,429.84x = 4,731.44 × 2,168.77
  4. Step 4: Simplify right side
    3,429.84x = 10,261,397.43
  5. Step 5: Solve for x
    x = 10,261,397.43/3,429.84
  6. Step 6: Final answer
    x = 2,991.80

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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.