Home / 3,205.05-4,807.58-2,110.65

Finding the Fourth Proportional to 3,205.05, 4,807.58 and 2,110.65

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Solution

The fourth proportional to 3,205.05, 4,807.58 and 2,110.65 is: 3,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.05 : 4,807.58 = 2,110.65 : x
  2. Step 2: Convert to fraction form
    3,205.05/4,807.58 = 2,110.65/x
  3. Step 3: Cross multiply
    3,205.05x = 4,807.58 × 2,110.65
  4. Step 4: Simplify right side
    3,205.05x = 10,147,108.17
  5. Step 5: Solve for x
    x = 10,147,108.17/3,205.05
  6. Step 6: Final answer
    x = 3,165.98

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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.