Home / 3,705.83-5,114.16-2,213.58

Finding the Fourth Proportional to 3,705.83, 5,114.16 and 2,213.58

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Solution

The fourth proportional to 3,705.83, 5,114.16 and 2,213.58 is: 3,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.83 : 5,114.16 = 2,213.58 : x
  2. Step 2: Convert to fraction form
    3,705.83/5,114.16 = 2,213.58/x
  3. Step 3: Cross multiply
    3,705.83x = 5,114.16 × 2,213.58
  4. Step 4: Simplify right side
    3,705.83x = 11,320,598.93
  5. Step 5: Solve for x
    x = 11,320,598.93/3,705.83
  6. Step 6: Final answer
    x = 3,054.81

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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.