Home / 2,257.44-3,115.60-1,326.24

Finding the Fourth Proportional to 2,257.44, 3,115.60 and 1,326.24

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Solution

The fourth proportional to 2,257.44, 3,115.60 and 1,326.24 is: 1,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.44 : 3,115.60 = 1,326.24 : x
  2. Step 2: Convert to fraction form
    2,257.44/3,115.60 = 1,326.24/x
  3. Step 3: Cross multiply
    2,257.44x = 3,115.60 × 1,326.24
  4. Step 4: Simplify right side
    2,257.44x = 4,132,033.34
  5. Step 5: Solve for x
    x = 4,132,033.34/2,257.44
  6. Step 6: Final answer
    x = 1,830.41

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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.