Home / 2,125.82-2,932.74-1,241.30

Finding the Fourth Proportional to 2,125.82, 2,932.74 and 1,241.30

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Solution

The fourth proportional to 2,125.82, 2,932.74 and 1,241.30 is: 1,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.82 : 2,932.74 = 1,241.30 : x
  2. Step 2: Convert to fraction form
    2,125.82/2,932.74 = 1,241.30/x
  3. Step 3: Cross multiply
    2,125.82x = 2,932.74 × 1,241.30
  4. Step 4: Simplify right side
    2,125.82x = 3,640,410.16
  5. Step 5: Solve for x
    x = 3,640,410.16/2,125.82
  6. Step 6: Final answer
    x = 1,712.47

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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.