Home / 3,920.41-5,877.84-3,551.35

Finding the Fourth Proportional to 3,920.41, 5,877.84 and 3,551.35

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Solution

The fourth proportional to 3,920.41, 5,877.84 and 3,551.35 is: 5,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.41 : 5,877.84 = 3,551.35 : x
  2. Step 2: Convert to fraction form
    3,920.41/5,877.84 = 3,551.35/x
  3. Step 3: Cross multiply
    3,920.41x = 5,877.84 × 3,551.35
  4. Step 4: Simplify right side
    3,920.41x = 20,874,267.08
  5. Step 5: Solve for x
    x = 20,874,267.08/3,920.41
  6. Step 6: Final answer
    x = 5,324.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.