Home / 1,929.26-2,659.58-1,264.96

Finding the Fourth Proportional to 1,929.26, 2,659.58 and 1,264.96

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Solution

The fourth proportional to 1,929.26, 2,659.58 and 1,264.96 is: 1,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.26 : 2,659.58 = 1,264.96 : x
  2. Step 2: Convert to fraction form
    1,929.26/2,659.58 = 1,264.96/x
  3. Step 3: Cross multiply
    1,929.26x = 2,659.58 × 1,264.96
  4. Step 4: Simplify right side
    1,929.26x = 3,364,249.02
  5. Step 5: Solve for x
    x = 3,364,249.02/1,929.26
  6. Step 6: Final answer
    x = 1,743.81

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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.