Home / 1,088.94-1,632.96-914.79

Finding the Fourth Proportional to 1,088.94, 1,632.96 and 914.79

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Solution

The fourth proportional to 1,088.94, 1,632.96 and 914.79 is: 1,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.94 : 1,632.96 = 914.79 : x
  2. Step 2: Convert to fraction form
    1,088.94/1,632.96 = 914.79/x
  3. Step 3: Cross multiply
    1,088.94x = 1,632.96 × 914.79
  4. Step 4: Simplify right side
    1,088.94x = 1,493,815.48
  5. Step 5: Solve for x
    x = 1,493,815.48/1,088.94
  6. Step 6: Final answer
    x = 1,371.81

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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.