Home / 3,455.32-5,184.84-3,207.40

Finding the Fourth Proportional to 3,455.32, 5,184.84 and 3,207.40

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Solution

The fourth proportional to 3,455.32, 5,184.84 and 3,207.40 is: 4,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.32 : 5,184.84 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    3,455.32/5,184.84 = 3,207.40/x
  3. Step 3: Cross multiply
    3,455.32x = 5,184.84 × 3,207.40
  4. Step 4: Simplify right side
    3,455.32x = 16,629,855.82
  5. Step 5: Solve for x
    x = 16,629,855.82/3,455.32
  6. Step 6: Final answer
    x = 4,812.83

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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.