Home / 2,203.32-3,040.57-1,272.36

Finding the Fourth Proportional to 2,203.32, 3,040.57 and 1,272.36

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Solution

The fourth proportional to 2,203.32, 3,040.57 and 1,272.36 is: 1,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.32 : 3,040.57 = 1,272.36 : x
  2. Step 2: Convert to fraction form
    2,203.32/3,040.57 = 1,272.36/x
  3. Step 3: Cross multiply
    2,203.32x = 3,040.57 × 1,272.36
  4. Step 4: Simplify right side
    2,203.32x = 3,868,699.65
  5. Step 5: Solve for x
    x = 3,868,699.65/2,203.32
  6. Step 6: Final answer
    x = 1,755.85

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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.