Home / 2,659.66-3,989.64-1,016.34

Finding the Fourth Proportional to 2,659.66, 3,989.64 and 1,016.34

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Solution

The fourth proportional to 2,659.66, 3,989.64 and 1,016.34 is: 1,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.66 : 3,989.64 = 1,016.34 : x
  2. Step 2: Convert to fraction form
    2,659.66/3,989.64 = 1,016.34/x
  3. Step 3: Cross multiply
    2,659.66x = 3,989.64 × 1,016.34
  4. Step 4: Simplify right side
    2,659.66x = 4,054,830.72
  5. Step 5: Solve for x
    x = 4,054,830.72/2,659.66
  6. Step 6: Final answer
    x = 1,524.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.