Home / 3,564.80-4,919.29-2,518.28

Finding the Fourth Proportional to 3,564.80, 4,919.29 and 2,518.28

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Solution

The fourth proportional to 3,564.80, 4,919.29 and 2,518.28 is: 3,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.80 : 4,919.29 = 2,518.28 : x
  2. Step 2: Convert to fraction form
    3,564.80/4,919.29 = 2,518.28/x
  3. Step 3: Cross multiply
    3,564.80x = 4,919.29 × 2,518.28
  4. Step 4: Simplify right side
    3,564.80x = 12,388,118.73
  5. Step 5: Solve for x
    x = 12,388,118.73/3,564.80
  6. Step 6: Final answer
    x = 3,475.13

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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.