Home / 1,932.22-2,666.41-1,146.25

Finding the Fourth Proportional to 1,932.22, 2,666.41 and 1,146.25

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Solution

The fourth proportional to 1,932.22, 2,666.41 and 1,146.25 is: 1,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.22 : 2,666.41 = 1,146.25 : x
  2. Step 2: Convert to fraction form
    1,932.22/2,666.41 = 1,146.25/x
  3. Step 3: Cross multiply
    1,932.22x = 2,666.41 × 1,146.25
  4. Step 4: Simplify right side
    1,932.22x = 3,056,372.46
  5. Step 5: Solve for x
    x = 3,056,372.46/1,932.22
  6. Step 6: Final answer
    x = 1,581.79

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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.