Home / 3,630.77-5,419.51-3,322.97

Finding the Fourth Proportional to 3,630.77, 5,419.51 and 3,322.97

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Solution

The fourth proportional to 3,630.77, 5,419.51 and 3,322.97 is: 4,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.77 : 5,419.51 = 3,322.97 : x
  2. Step 2: Convert to fraction form
    3,630.77/5,419.51 = 3,322.97/x
  3. Step 3: Cross multiply
    3,630.77x = 5,419.51 × 3,322.97
  4. Step 4: Simplify right side
    3,630.77x = 18,008,869.14
  5. Step 5: Solve for x
    x = 18,008,869.14/3,630.77
  6. Step 6: Final answer
    x = 4,960.07

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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.