Home / 3,664.15-5,056.53-2,151.42

Finding the Fourth Proportional to 3,664.15, 5,056.53 and 2,151.42

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Solution

The fourth proportional to 3,664.15, 5,056.53 and 2,151.42 is: 2,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.15 : 5,056.53 = 2,151.42 : x
  2. Step 2: Convert to fraction form
    3,664.15/5,056.53 = 2,151.42/x
  3. Step 3: Cross multiply
    3,664.15x = 5,056.53 × 2,151.42
  4. Step 4: Simplify right side
    3,664.15x = 10,878,694.49
  5. Step 5: Solve for x
    x = 10,878,694.49/3,664.15
  6. Step 6: Final answer
    x = 2,968.96

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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.