Home / 3,479.55-5,213.84-2,690.83

Finding the Fourth Proportional to 3,479.55, 5,213.84 and 2,690.83

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Solution

The fourth proportional to 3,479.55, 5,213.84 and 2,690.83 is: 4,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.55 : 5,213.84 = 2,690.83 : x
  2. Step 2: Convert to fraction form
    3,479.55/5,213.84 = 2,690.83/x
  3. Step 3: Cross multiply
    3,479.55x = 5,213.84 × 2,690.83
  4. Step 4: Simplify right side
    3,479.55x = 14,029,557.09
  5. Step 5: Solve for x
    x = 14,029,557.09/3,479.55
  6. Step 6: Final answer
    x = 4,032.00

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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.