Home / 3,288.67-4,535.80-2,109.85

Finding the Fourth Proportional to 3,288.67, 4,535.80 and 2,109.85

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Solution

The fourth proportional to 3,288.67, 4,535.80 and 2,109.85 is: 2,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.67 : 4,535.80 = 2,109.85 : x
  2. Step 2: Convert to fraction form
    3,288.67/4,535.80 = 2,109.85/x
  3. Step 3: Cross multiply
    3,288.67x = 4,535.80 × 2,109.85
  4. Step 4: Simplify right side
    3,288.67x = 9,569,857.63
  5. Step 5: Solve for x
    x = 9,569,857.63/3,288.67
  6. Step 6: Final answer
    x = 2,909.95

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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.