Home / 2,203.20-3,040.44-1,271.64

Finding the Fourth Proportional to 2,203.20, 3,040.44 and 1,271.64

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Solution

The fourth proportional to 2,203.20, 3,040.44 and 1,271.64 is: 1,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.20 : 3,040.44 = 1,271.64 : x
  2. Step 2: Convert to fraction form
    2,203.20/3,040.44 = 1,271.64/x
  3. Step 3: Cross multiply
    2,203.20x = 3,040.44 × 1,271.64
  4. Step 4: Simplify right side
    2,203.20x = 3,866,345.12
  5. Step 5: Solve for x
    x = 3,866,345.12/2,203.20
  6. Step 6: Final answer
    x = 1,754.88

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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.