Home / 3,789.74-5,228.39-2,372.84

Finding the Fourth Proportional to 3,789.74, 5,228.39 and 2,372.84

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Solution

The fourth proportional to 3,789.74, 5,228.39 and 2,372.84 is: 3,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.74 : 5,228.39 = 2,372.84 : x
  2. Step 2: Convert to fraction form
    3,789.74/5,228.39 = 2,372.84/x
  3. Step 3: Cross multiply
    3,789.74x = 5,228.39 × 2,372.84
  4. Step 4: Simplify right side
    3,789.74x = 12,406,094.92
  5. Step 5: Solve for x
    x = 12,406,094.92/3,789.74
  6. Step 6: Final answer
    x = 3,273.60

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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.