Home / 3,742.61-5,164.34-2,250.45

Finding the Fourth Proportional to 3,742.61, 5,164.34 and 2,250.45

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Solution

The fourth proportional to 3,742.61, 5,164.34 and 2,250.45 is: 3,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.61 : 5,164.34 = 2,250.45 : x
  2. Step 2: Convert to fraction form
    3,742.61/5,164.34 = 2,250.45/x
  3. Step 3: Cross multiply
    3,742.61x = 5,164.34 × 2,250.45
  4. Step 4: Simplify right side
    3,742.61x = 11,622,077.70
  5. Step 5: Solve for x
    x = 11,622,077.70/3,742.61
  6. Step 6: Final answer
    x = 3,105.34

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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.