Home / 3,705.38-5,113.35-2,213.63

Finding the Fourth Proportional to 3,705.38, 5,113.35 and 2,213.63

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Solution

The fourth proportional to 3,705.38, 5,113.35 and 2,213.63 is: 3,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.38 : 5,113.35 = 2,213.63 : x
  2. Step 2: Convert to fraction form
    3,705.38/5,113.35 = 2,213.63/x
  3. Step 3: Cross multiply
    3,705.38x = 5,113.35 × 2,213.63
  4. Step 4: Simplify right side
    3,705.38x = 11,319,064.96
  5. Step 5: Solve for x
    x = 11,319,064.96/3,705.38
  6. Step 6: Final answer
    x = 3,054.76

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Half 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.