Home / 3,564.20-4,918.18-2,237.80

Finding the Fourth Proportional to 3,564.20, 4,918.18 and 2,237.80

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Solution

The fourth proportional to 3,564.20, 4,918.18 and 2,237.80 is: 3,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.20 : 4,918.18 = 2,237.80 : x
  2. Step 2: Convert to fraction form
    3,564.20/4,918.18 = 2,237.80/x
  3. Step 3: Cross multiply
    3,564.20x = 4,918.18 × 2,237.80
  4. Step 4: Simplify right side
    3,564.20x = 11,005,903.20
  5. Step 5: Solve for x
    x = 11,005,903.20/3,564.20
  6. Step 6: Final answer
    x = 3,087.90

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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.