Home / 3,664.59-5,057.90-2,486.04

Finding the Fourth Proportional to 3,664.59, 5,057.90 and 2,486.04

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Solution

The fourth proportional to 3,664.59, 5,057.90 and 2,486.04 is: 3,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.59 : 5,057.90 = 2,486.04 : x
  2. Step 2: Convert to fraction form
    3,664.59/5,057.90 = 2,486.04/x
  3. Step 3: Cross multiply
    3,664.59x = 5,057.90 × 2,486.04
  4. Step 4: Simplify right side
    3,664.59x = 12,574,141.72
  5. Step 5: Solve for x
    x = 12,574,141.72/3,664.59
  6. Step 6: Final answer
    x = 3,431.25

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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.