Home / 3,519.04-5,280.09-2,205.80

Finding the Fourth Proportional to 3,519.04, 5,280.09 and 2,205.80

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Solution

The fourth proportional to 3,519.04, 5,280.09 and 2,205.80 is: 3,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.04 : 5,280.09 = 2,205.80 : x
  2. Step 2: Convert to fraction form
    3,519.04/5,280.09 = 2,205.80/x
  3. Step 3: Cross multiply
    3,519.04x = 5,280.09 × 2,205.80
  4. Step 4: Simplify right side
    3,519.04x = 11,646,807.65
  5. Step 5: Solve for x
    x = 11,646,807.65/3,519.04
  6. Step 6: Final answer
    x = 3,309.66

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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.