Home / 3,005.10-4,507.65-2,519.10

Finding the Fourth Proportional to 3,005.10, 4,507.65 and 2,519.10

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Solution

The fourth proportional to 3,005.10, 4,507.65 and 2,519.10 is: 3,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.10 : 4,507.65 = 2,519.10 : x
  2. Step 2: Convert to fraction form
    3,005.10/4,507.65 = 2,519.10/x
  3. Step 3: Cross multiply
    3,005.10x = 4,507.65 × 2,519.10
  4. Step 4: Simplify right side
    3,005.10x = 11,355,221.12
  5. Step 5: Solve for x
    x = 11,355,221.12/3,005.10
  6. Step 6: Final answer
    x = 3,778.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.