Home / 2,126.30-2,933.27-1,241.93

Finding the Fourth Proportional to 2,126.30, 2,933.27 and 1,241.93

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Solution

The fourth proportional to 2,126.30, 2,933.27 and 1,241.93 is: 1,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.30 : 2,933.27 = 1,241.93 : x
  2. Step 2: Convert to fraction form
    2,126.30/2,933.27 = 1,241.93/x
  3. Step 3: Cross multiply
    2,126.30x = 2,933.27 × 1,241.93
  4. Step 4: Simplify right side
    2,126.30x = 3,642,895.14
  5. Step 5: Solve for x
    x = 3,642,895.14/2,126.30
  6. Step 6: Final answer
    x = 1,713.26

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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.