Home / 3,436.16-5,154.44-1,245.12

Finding the Fourth Proportional to 3,436.16, 5,154.44 and 1,245.12

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Solution

The fourth proportional to 3,436.16, 5,154.44 and 1,245.12 is: 1,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.16 : 5,154.44 = 1,245.12 : x
  2. Step 2: Convert to fraction form
    3,436.16/5,154.44 = 1,245.12/x
  3. Step 3: Cross multiply
    3,436.16x = 5,154.44 × 1,245.12
  4. Step 4: Simplify right side
    3,436.16x = 6,417,896.33
  5. Step 5: Solve for x
    x = 6,417,896.33/3,436.16
  6. Step 6: Final answer
    x = 1,867.75

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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.