Home / 2,203.32-3,040.46-1,271.80

Finding the Fourth Proportional to 2,203.32, 3,040.46 and 1,271.80

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Solution

The fourth proportional to 2,203.32, 3,040.46 and 1,271.80 is: 1,755.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.32 : 3,040.46 = 1,271.80 : x
  2. Step 2: Convert to fraction form
    2,203.32/3,040.46 = 1,271.80/x
  3. Step 3: Cross multiply
    2,203.32x = 3,040.46 × 1,271.80
  4. Step 4: Simplify right side
    2,203.32x = 3,866,857.03
  5. Step 5: Solve for x
    x = 3,866,857.03/2,203.32
  6. Step 6: Final answer
    x = 1,755.01

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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.