Home / 2,260.64-3,119.58-1,266.03

Finding the Fourth Proportional to 2,260.64, 3,119.58 and 1,266.03

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Solution

The fourth proportional to 2,260.64, 3,119.58 and 1,266.03 is: 1,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.64 : 3,119.58 = 1,266.03 : x
  2. Step 2: Convert to fraction form
    2,260.64/3,119.58 = 1,266.03/x
  3. Step 3: Cross multiply
    2,260.64x = 3,119.58 × 1,266.03
  4. Step 4: Simplify right side
    2,260.64x = 3,949,481.87
  5. Step 5: Solve for x
    x = 3,949,481.87/2,260.64
  6. Step 6: Final answer
    x = 1,747.06

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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.