Home / 3,609.30-4,980.90-2,037.09

Finding the Fourth Proportional to 3,609.30, 4,980.90 and 2,037.09

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Solution

The fourth proportional to 3,609.30, 4,980.90 and 2,037.09 is: 2,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.30 : 4,980.90 = 2,037.09 : x
  2. Step 2: Convert to fraction form
    3,609.30/4,980.90 = 2,037.09/x
  3. Step 3: Cross multiply
    3,609.30x = 4,980.90 × 2,037.09
  4. Step 4: Simplify right side
    3,609.30x = 10,146,541.58
  5. Step 5: Solve for x
    x = 10,146,541.58/3,609.30
  6. Step 6: Final answer
    x = 2,811.22

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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.