Home / 3,287.11-4,533.64-2,108.29

Finding the Fourth Proportional to 3,287.11, 4,533.64 and 2,108.29

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Solution

The fourth proportional to 3,287.11, 4,533.64 and 2,108.29 is: 2,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.11 : 4,533.64 = 2,108.29 : x
  2. Step 2: Convert to fraction form
    3,287.11/4,533.64 = 2,108.29/x
  3. Step 3: Cross multiply
    3,287.11x = 4,533.64 × 2,108.29
  4. Step 4: Simplify right side
    3,287.11x = 9,558,211.27
  5. Step 5: Solve for x
    x = 9,558,211.27/3,287.11
  6. Step 6: Final answer
    x = 2,907.79

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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.