Home / 1,553.09-2,327.26-936.09

Finding the Fourth Proportional to 1,553.09, 2,327.26 and 936.09

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Solution

The fourth proportional to 1,553.09, 2,327.26 and 936.09 is: 1,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.09 : 2,327.26 = 936.09 : x
  2. Step 2: Convert to fraction form
    1,553.09/2,327.26 = 936.09/x
  3. Step 3: Cross multiply
    1,553.09x = 2,327.26 × 936.09
  4. Step 4: Simplify right side
    1,553.09x = 2,178,524.81
  5. Step 5: Solve for x
    x = 2,178,524.81/1,553.09
  6. Step 6: Final answer
    x = 1,402.70

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1.5x scale

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.