Home / 3,152.46-4,728.94-961.38

Finding the Fourth Proportional to 3,152.46, 4,728.94 and 961.38

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Solution

The fourth proportional to 3,152.46, 4,728.94 and 961.38 is: 1,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.46 : 4,728.94 = 961.38 : x
  2. Step 2: Convert to fraction form
    3,152.46/4,728.94 = 961.38/x
  3. Step 3: Cross multiply
    3,152.46x = 4,728.94 × 961.38
  4. Step 4: Simplify right side
    3,152.46x = 4,546,308.34
  5. Step 5: Solve for x
    x = 4,546,308.34/3,152.46
  6. Step 6: Final answer
    x = 1,442.15

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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.