Home / 3,703.32-5,078.16-3,579.12

Finding the Fourth Proportional to 3,703.32, 5,078.16 and 3,579.12

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Solution

The fourth proportional to 3,703.32, 5,078.16 and 3,579.12 is: 4,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.32 : 5,078.16 = 3,579.12 : x
  2. Step 2: Convert to fraction form
    3,703.32/5,078.16 = 3,579.12/x
  3. Step 3: Cross multiply
    3,703.32x = 5,078.16 × 3,579.12
  4. Step 4: Simplify right side
    3,703.32x = 18,175,344.02
  5. Step 5: Solve for x
    x = 18,175,344.02/3,703.32
  6. Step 6: Final answer
    x = 4,907.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.