Home / 3,512.40-4,845.60-2,186.76

Finding the Fourth Proportional to 3,512.40, 4,845.60 and 2,186.76

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Solution

The fourth proportional to 3,512.40, 4,845.60 and 2,186.76 is: 3,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.40 : 4,845.60 = 2,186.76 : x
  2. Step 2: Convert to fraction form
    3,512.40/4,845.60 = 2,186.76/x
  3. Step 3: Cross multiply
    3,512.40x = 4,845.60 × 2,186.76
  4. Step 4: Simplify right side
    3,512.40x = 10,596,164.26
  5. Step 5: Solve for x
    x = 10,596,164.26/3,512.40
  6. Step 6: Final answer
    x = 3,016.79

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.