Home / 2,126.58-2,933.73-1,241.86

Finding the Fourth Proportional to 2,126.58, 2,933.73 and 1,241.86

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Solution

The fourth proportional to 2,126.58, 2,933.73 and 1,241.86 is: 1,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.58 : 2,933.73 = 1,241.86 : x
  2. Step 2: Convert to fraction form
    2,126.58/2,933.73 = 1,241.86/x
  3. Step 3: Cross multiply
    2,126.58x = 2,933.73 × 1,241.86
  4. Step 4: Simplify right side
    2,126.58x = 3,643,276.61
  5. Step 5: Solve for x
    x = 3,643,276.61/2,126.58
  6. Step 6: Final answer
    x = 1,713.21

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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.