Home / 3,971.25-5,956.88-1,235.25

Finding the Fourth Proportional to 3,971.25, 5,956.88 and 1,235.25

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Solution

The fourth proportional to 3,971.25, 5,956.88 and 1,235.25 is: 1,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.25 : 5,956.88 = 1,235.25 : x
  2. Step 2: Convert to fraction form
    3,971.25/5,956.88 = 1,235.25/x
  3. Step 3: Cross multiply
    3,971.25x = 5,956.88 × 1,235.25
  4. Step 4: Simplify right side
    3,971.25x = 7,358,229.84
  5. Step 5: Solve for x
    x = 7,358,229.84/3,971.25
  6. Step 6: Final answer
    x = 1,852.88

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Double scale
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Similar ratio
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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.