Home / 3,705.74-5,114.09-2,134.34

Finding the Fourth Proportional to 3,705.74, 5,114.09 and 2,134.34

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Solution

The fourth proportional to 3,705.74, 5,114.09 and 2,134.34 is: 2,945.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.74 : 5,114.09 = 2,134.34 : x
  2. Step 2: Convert to fraction form
    3,705.74/5,114.09 = 2,134.34/x
  3. Step 3: Cross multiply
    3,705.74x = 5,114.09 × 2,134.34
  4. Step 4: Simplify right side
    3,705.74x = 10,915,196.18
  5. Step 5: Solve for x
    x = 10,915,196.18/3,705.74
  6. Step 6: Final answer
    x = 2,945.48

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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.