Home / 1,324.27-1,827.75-800.59

Finding the Fourth Proportional to 1,324.27, 1,827.75 and 800.59

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Solution

The fourth proportional to 1,324.27, 1,827.75 and 800.59 is: 1,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.27 : 1,827.75 = 800.59 : x
  2. Step 2: Convert to fraction form
    1,324.27/1,827.75 = 800.59/x
  3. Step 3: Cross multiply
    1,324.27x = 1,827.75 × 800.59
  4. Step 4: Simplify right side
    1,324.27x = 1,463,278.37
  5. Step 5: Solve for x
    x = 1,463,278.37/1,324.27
  6. Step 6: Final answer
    x = 1,104.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.