Home / 3,867.49-5,801.25-1,235.11

Finding the Fourth Proportional to 3,867.49, 5,801.25 and 1,235.11

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Solution

The fourth proportional to 3,867.49, 5,801.25 and 1,235.11 is: 1,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.49 : 5,801.25 = 1,235.11 : x
  2. Step 2: Convert to fraction form
    3,867.49/5,801.25 = 1,235.11/x
  3. Step 3: Cross multiply
    3,867.49x = 5,801.25 × 1,235.11
  4. Step 4: Simplify right side
    3,867.49x = 7,165,181.89
  5. Step 5: Solve for x
    x = 7,165,181.89/3,867.49
  6. Step 6: Final answer
    x = 1,852.67

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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.