Home / 3,742.74-5,164.83-2,251.47

Finding the Fourth Proportional to 3,742.74, 5,164.83 and 2,251.47

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Solution

The fourth proportional to 3,742.74, 5,164.83 and 2,251.47 is: 3,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.74 : 5,164.83 = 2,251.47 : x
  2. Step 2: Convert to fraction form
    3,742.74/5,164.83 = 2,251.47/x
  3. Step 3: Cross multiply
    3,742.74x = 5,164.83 × 2,251.47
  4. Step 4: Simplify right side
    3,742.74x = 11,628,459.80
  5. Step 5: Solve for x
    x = 11,628,459.80/3,742.74
  6. Step 6: Final answer
    x = 3,106.94

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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.