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Finding the Fourth Proportional to 1,241.59, 1,713.41 and 682.11

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Solution

The fourth proportional to 1,241.59, 1,713.41 and 682.11 is: 941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241.59 : 1,713.41 = 682.11 : x
  2. Step 2: Convert to fraction form
    1,241.59/1,713.41 = 682.11/x
  3. Step 3: Cross multiply
    1,241.59x = 1,713.41 × 682.11
  4. Step 4: Simplify right side
    1,241.59x = 1,168,722.12
  5. Step 5: Solve for x
    x = 1,168,722.12/1,241.59
  6. Step 6: Final answer
    x = 941.31

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1.5x scale

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.