Home / 2,318.58-3,478.26-1,020.96

Finding the Fourth Proportional to 2,318.58, 3,478.26 and 1,020.96

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Solution

The fourth proportional to 2,318.58, 3,478.26 and 1,020.96 is: 1,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.58 : 3,478.26 = 1,020.96 : x
  2. Step 2: Convert to fraction form
    2,318.58/3,478.26 = 1,020.96/x
  3. Step 3: Cross multiply
    2,318.58x = 3,478.26 × 1,020.96
  4. Step 4: Simplify right side
    2,318.58x = 3,551,164.33
  5. Step 5: Solve for x
    x = 3,551,164.33/2,318.58
  6. Step 6: Final answer
    x = 1,531.61

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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.