Home / 3,706.38-5,115.24-2,113.26

Finding the Fourth Proportional to 3,706.38, 5,115.24 and 2,113.26

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Solution

The fourth proportional to 3,706.38, 5,115.24 and 2,113.26 is: 2,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.38 : 5,115.24 = 2,113.26 : x
  2. Step 2: Convert to fraction form
    3,706.38/5,115.24 = 2,113.26/x
  3. Step 3: Cross multiply
    3,706.38x = 5,115.24 × 2,113.26
  4. Step 4: Simplify right side
    3,706.38x = 10,809,832.08
  5. Step 5: Solve for x
    x = 10,809,832.08/3,706.38
  6. Step 6: Final answer
    x = 2,916.55

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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.