Home / 1,036.12-1,552.66-817.27

Finding the Fourth Proportional to 1,036.12, 1,552.66 and 817.27

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Solution

The fourth proportional to 1,036.12, 1,552.66 and 817.27 is: 1,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.12 : 1,552.66 = 817.27 : x
  2. Step 2: Convert to fraction form
    1,036.12/1,552.66 = 817.27/x
  3. Step 3: Cross multiply
    1,036.12x = 1,552.66 × 817.27
  4. Step 4: Simplify right side
    1,036.12x = 1,268,940.40
  5. Step 5: Solve for x
    x = 1,268,940.40/1,036.12
  6. Step 6: Final answer
    x = 1,224.70

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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.