Home / 2,181.63-3,011.06-1,250.13

Finding the Fourth Proportional to 2,181.63, 3,011.06 and 1,250.13

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Solution

The fourth proportional to 2,181.63, 3,011.06 and 1,250.13 is: 1,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.63 : 3,011.06 = 1,250.13 : x
  2. Step 2: Convert to fraction form
    2,181.63/3,011.06 = 1,250.13/x
  3. Step 3: Cross multiply
    2,181.63x = 3,011.06 × 1,250.13
  4. Step 4: Simplify right side
    2,181.63x = 3,764,216.44
  5. Step 5: Solve for x
    x = 3,764,216.44/2,181.63
  6. Step 6: Final answer
    x = 1,725.41

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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.