Home / 3,609.18-4,980.76-2,037.28

Finding the Fourth Proportional to 3,609.18, 4,980.76 and 2,037.28

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Solution

The fourth proportional to 3,609.18, 4,980.76 and 2,037.28 is: 2,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.18 : 4,980.76 = 2,037.28 : x
  2. Step 2: Convert to fraction form
    3,609.18/4,980.76 = 2,037.28/x
  3. Step 3: Cross multiply
    3,609.18x = 4,980.76 × 2,037.28
  4. Step 4: Simplify right side
    3,609.18x = 10,147,202.73
  5. Step 5: Solve for x
    x = 10,147,202.73/3,609.18
  6. Step 6: Final answer
    x = 2,811.50

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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.