Home / 2,181.94-3,011.07-1,250.44

Finding the Fourth Proportional to 2,181.94, 3,011.07 and 1,250.44

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Solution

The fourth proportional to 2,181.94, 3,011.07 and 1,250.44 is: 1,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.94 : 3,011.07 = 1,250.44 : x
  2. Step 2: Convert to fraction form
    2,181.94/3,011.07 = 1,250.44/x
  3. Step 3: Cross multiply
    2,181.94x = 3,011.07 × 1,250.44
  4. Step 4: Simplify right side
    2,181.94x = 3,765,159.53
  5. Step 5: Solve for x
    x = 3,765,159.53/2,181.94
  6. Step 6: Final answer
    x = 1,725.60

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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.