Home / 3,287.04-4,534.32-2,089.80

Finding the Fourth Proportional to 3,287.04, 4,534.32 and 2,089.80

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Solution

The fourth proportional to 3,287.04, 4,534.32 and 2,089.80 is: 2,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.04 : 4,534.32 = 2,089.80 : x
  2. Step 2: Convert to fraction form
    3,287.04/4,534.32 = 2,089.80/x
  3. Step 3: Cross multiply
    3,287.04x = 4,534.32 × 2,089.80
  4. Step 4: Simplify right side
    3,287.04x = 9,475,821.94
  5. Step 5: Solve for x
    x = 9,475,821.94/3,287.04
  6. Step 6: Final answer
    x = 2,882.78

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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.