Home / 3,609.60-4,981.23-2,037.68

Finding the Fourth Proportional to 3,609.60, 4,981.23 and 2,037.68

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Solution

The fourth proportional to 3,609.60, 4,981.23 and 2,037.68 is: 2,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.60 : 4,981.23 = 2,037.68 : x
  2. Step 2: Convert to fraction form
    3,609.60/4,981.23 = 2,037.68/x
  3. Step 3: Cross multiply
    3,609.60x = 4,981.23 × 2,037.68
  4. Step 4: Simplify right side
    3,609.60x = 10,150,152.75
  5. Step 5: Solve for x
    x = 10,150,152.75/3,609.60
  6. Step 6: Final answer
    x = 2,811.99

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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.