Home / 1,932-2,666.32-1,104.16

Finding the Fourth Proportional to 1,932, 2,666.32 and 1,104.16

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Solution

The fourth proportional to 1,932, 2,666.32 and 1,104.16 is: 1,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932 : 2,666.32 = 1,104.16 : x
  2. Step 2: Convert to fraction form
    1,932/2,666.32 = 1,104.16/x
  3. Step 3: Cross multiply
    1,932x = 2,666.32 × 1,104.16
  4. Step 4: Simplify right side
    1,932x = 2,944,043.89
  5. Step 5: Solve for x
    x = 2,944,043.89/1,932
  6. Step 6: Final answer
    x = 1,523.83

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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.