Home / 1,529.26-2,110.46-932.18

Finding the Fourth Proportional to 1,529.26, 2,110.46 and 932.18

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Solution

The fourth proportional to 1,529.26, 2,110.46 and 932.18 is: 1,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.26 : 2,110.46 = 932.18 : x
  2. Step 2: Convert to fraction form
    1,529.26/2,110.46 = 932.18/x
  3. Step 3: Cross multiply
    1,529.26x = 2,110.46 × 932.18
  4. Step 4: Simplify right side
    1,529.26x = 1,967,313.39
  5. Step 5: Solve for x
    x = 1,967,313.39/1,529.26
  6. Step 6: Final answer
    x = 1,286.45

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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.