Home / 3,530.50-4,863.60-2,970.97

Finding the Fourth Proportional to 3,530.50, 4,863.60 and 2,970.97

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Solution

The fourth proportional to 3,530.50, 4,863.60 and 2,970.97 is: 4,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.50 : 4,863.60 = 2,970.97 : x
  2. Step 2: Convert to fraction form
    3,530.50/4,863.60 = 2,970.97/x
  3. Step 3: Cross multiply
    3,530.50x = 4,863.60 × 2,970.97
  4. Step 4: Simplify right side
    3,530.50x = 14,449,609.69
  5. Step 5: Solve for x
    x = 14,449,609.69/3,530.50
  6. Step 6: Final answer
    x = 4,092.79

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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.