Home / 3,669.28-5,477.27-3,398.94

Finding the Fourth Proportional to 3,669.28, 5,477.27 and 3,398.94

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Solution

The fourth proportional to 3,669.28, 5,477.27 and 3,398.94 is: 5,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.28 : 5,477.27 = 3,398.94 : x
  2. Step 2: Convert to fraction form
    3,669.28/5,477.27 = 3,398.94/x
  3. Step 3: Cross multiply
    3,669.28x = 5,477.27 × 3,398.94
  4. Step 4: Simplify right side
    3,669.28x = 18,616,912.09
  5. Step 5: Solve for x
    x = 18,616,912.09/3,669.28
  6. Step 6: Final answer
    x = 5,073.72

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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.