Home / 3,479.43-5,215.50-2,553.60

Finding the Fourth Proportional to 3,479.43, 5,215.50 and 2,553.60

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Solution

The fourth proportional to 3,479.43, 5,215.50 and 2,553.60 is: 3,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.43 : 5,215.50 = 2,553.60 : x
  2. Step 2: Convert to fraction form
    3,479.43/5,215.50 = 2,553.60/x
  3. Step 3: Cross multiply
    3,479.43x = 5,215.50 × 2,553.60
  4. Step 4: Simplify right side
    3,479.43x = 13,318,300.80
  5. Step 5: Solve for x
    x = 13,318,300.80/3,479.43
  6. Step 6: Final answer
    x = 3,827.72

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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.