Home / 4,156.57-5,736.18-2,478.12

Finding the Fourth Proportional to 4,156.57, 5,736.18 and 2,478.12

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Solution

The fourth proportional to 4,156.57, 5,736.18 and 2,478.12 is: 3,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.57 : 5,736.18 = 2,478.12 : x
  2. Step 2: Convert to fraction form
    4,156.57/5,736.18 = 2,478.12/x
  3. Step 3: Cross multiply
    4,156.57x = 5,736.18 × 2,478.12
  4. Step 4: Simplify right side
    4,156.57x = 14,214,942.38
  5. Step 5: Solve for x
    x = 14,214,942.38/4,156.57
  6. Step 6: Final answer
    x = 3,419.87

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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.