Home / 3,753.39-5,175.86-2,261.01

Finding the Fourth Proportional to 3,753.39, 5,175.86 and 2,261.01

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Solution

The fourth proportional to 3,753.39, 5,175.86 and 2,261.01 is: 3,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.39 : 5,175.86 = 2,261.01 : x
  2. Step 2: Convert to fraction form
    3,753.39/5,175.86 = 2,261.01/x
  3. Step 3: Cross multiply
    3,753.39x = 5,175.86 × 2,261.01
  4. Step 4: Simplify right side
    3,753.39x = 11,702,659.91
  5. Step 5: Solve for x
    x = 11,702,659.91/3,753.39
  6. Step 6: Final answer
    x = 3,117.89

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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.