Home / 2,656.89-3,664.94-1,660.45

Finding the Fourth Proportional to 2,656.89, 3,664.94 and 1,660.45

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Solution

The fourth proportional to 2,656.89, 3,664.94 and 1,660.45 is: 2,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.89 : 3,664.94 = 1,660.45 : x
  2. Step 2: Convert to fraction form
    2,656.89/3,664.94 = 1,660.45/x
  3. Step 3: Cross multiply
    2,656.89x = 3,664.94 × 1,660.45
  4. Step 4: Simplify right side
    2,656.89x = 6,085,449.62
  5. Step 5: Solve for x
    x = 6,085,449.62/2,656.89
  6. Step 6: Final answer
    x = 2,290.44

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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.