Home / 3,582.04-4,942.78-2,009.80

Finding the Fourth Proportional to 3,582.04, 4,942.78 and 2,009.80

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Solution

The fourth proportional to 3,582.04, 4,942.78 and 2,009.80 is: 2,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.04 : 4,942.78 = 2,009.80 : x
  2. Step 2: Convert to fraction form
    3,582.04/4,942.78 = 2,009.80/x
  3. Step 3: Cross multiply
    3,582.04x = 4,942.78 × 2,009.80
  4. Step 4: Simplify right side
    3,582.04x = 9,933,999.24
  5. Step 5: Solve for x
    x = 9,933,999.24/3,582.04
  6. Step 6: Final answer
    x = 2,773.28

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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.