Home / 2,255.40-3,383.57-795.57

Finding the Fourth Proportional to 2,255.40, 3,383.57 and 795.57

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Solution

The fourth proportional to 2,255.40, 3,383.57 and 795.57 is: 1,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.40 : 3,383.57 = 795.57 : x
  2. Step 2: Convert to fraction form
    2,255.40/3,383.57 = 795.57/x
  3. Step 3: Cross multiply
    2,255.40x = 3,383.57 × 795.57
  4. Step 4: Simplify right side
    2,255.40x = 2,691,862.81
  5. Step 5: Solve for x
    x = 2,691,862.81/2,255.40
  6. Step 6: Final answer
    x = 1,193.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.