Home / 3,275.05-4,918.88-2,807.59

Finding the Fourth Proportional to 3,275.05, 4,918.88 and 2,807.59

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Solution

The fourth proportional to 3,275.05, 4,918.88 and 2,807.59 is: 4,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.05 : 4,918.88 = 2,807.59 : x
  2. Step 2: Convert to fraction form
    3,275.05/4,918.88 = 2,807.59/x
  3. Step 3: Cross multiply
    3,275.05x = 4,918.88 × 2,807.59
  4. Step 4: Simplify right side
    3,275.05x = 13,810,198.30
  5. Step 5: Solve for x
    x = 13,810,198.30/3,275.05
  6. Step 6: Final answer
    x = 4,216.79

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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.