Home / 3,415.85-5,123.57-1,194.53

Finding the Fourth Proportional to 3,415.85, 5,123.57 and 1,194.53

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Solution

The fourth proportional to 3,415.85, 5,123.57 and 1,194.53 is: 1,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.85 : 5,123.57 = 1,194.53 : x
  2. Step 2: Convert to fraction form
    3,415.85/5,123.57 = 1,194.53/x
  3. Step 3: Cross multiply
    3,415.85x = 5,123.57 × 1,194.53
  4. Step 4: Simplify right side
    3,415.85x = 6,120,258.07
  5. Step 5: Solve for x
    x = 6,120,258.07/3,415.85
  6. Step 6: Final answer
    x = 1,791.72

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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.