Home / 3,680.37-5,489.46-3,126.33

Finding the Fourth Proportional to 3,680.37, 5,489.46 and 3,126.33

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Solution

The fourth proportional to 3,680.37, 5,489.46 and 3,126.33 is: 4,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.37 : 5,489.46 = 3,126.33 : x
  2. Step 2: Convert to fraction form
    3,680.37/5,489.46 = 3,126.33/x
  3. Step 3: Cross multiply
    3,680.37x = 5,489.46 × 3,126.33
  4. Step 4: Simplify right side
    3,680.37x = 17,161,863.48
  5. Step 5: Solve for x
    x = 17,161,863.48/3,680.37
  6. Step 6: Final answer
    x = 4,663.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.