Home / 3,498.90-4,815.81-3,297.30

Finding the Fourth Proportional to 3,498.90, 4,815.81 and 3,297.30

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Solution

The fourth proportional to 3,498.90, 4,815.81 and 3,297.30 is: 4,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.90 : 4,815.81 = 3,297.30 : x
  2. Step 2: Convert to fraction form
    3,498.90/4,815.81 = 3,297.30/x
  3. Step 3: Cross multiply
    3,498.90x = 4,815.81 × 3,297.30
  4. Step 4: Simplify right side
    3,498.90x = 15,879,170.31
  5. Step 5: Solve for x
    x = 15,879,170.31/3,498.90
  6. Step 6: Final answer
    x = 4,538.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.