Home / 3,742.37-5,164.25-2,148.65

Finding the Fourth Proportional to 3,742.37, 5,164.25 and 2,148.65

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Solution

The fourth proportional to 3,742.37, 5,164.25 and 2,148.65 is: 2,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.37 : 5,164.25 = 2,148.65 : x
  2. Step 2: Convert to fraction form
    3,742.37/5,164.25 = 2,148.65/x
  3. Step 3: Cross multiply
    3,742.37x = 5,164.25 × 2,148.65
  4. Step 4: Simplify right side
    3,742.37x = 11,096,129.20
  5. Step 5: Solve for x
    x = 11,096,129.20/3,742.37
  6. Step 6: Final answer
    x = 2,965.00

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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.