Home / 3,609.50-4,981.10-2,037.58

Finding the Fourth Proportional to 3,609.50, 4,981.10 and 2,037.58

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Solution

The fourth proportional to 3,609.50, 4,981.10 and 2,037.58 is: 2,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.50 : 4,981.10 = 2,037.58 : x
  2. Step 2: Convert to fraction form
    3,609.50/4,981.10 = 2,037.58/x
  3. Step 3: Cross multiply
    3,609.50x = 4,981.10 × 2,037.58
  4. Step 4: Simplify right side
    3,609.50x = 10,149,367.10
  5. Step 5: Solve for x
    x = 10,149,367.10/3,609.50
  6. Step 6: Final answer
    x = 2,811.85

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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.