Home / 1,091.15-1,624.38-1,084.66

Finding the Fourth Proportional to 1,091.15, 1,624.38 and 1,084.66

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Solution

The fourth proportional to 1,091.15, 1,624.38 and 1,084.66 is: 1,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091.15 : 1,624.38 = 1,084.66 : x
  2. Step 2: Convert to fraction form
    1,091.15/1,624.38 = 1,084.66/x
  3. Step 3: Cross multiply
    1,091.15x = 1,624.38 × 1,084.66
  4. Step 4: Simplify right side
    1,091.15x = 1,761,905.09
  5. Step 5: Solve for x
    x = 1,761,905.09/1,091.15
  6. Step 6: Final answer
    x = 1,614.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.