Home / 3,715.16-5,561.04-2,976.44

Finding the Fourth Proportional to 3,715.16, 5,561.04 and 2,976.44

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Solution

The fourth proportional to 3,715.16, 5,561.04 and 2,976.44 is: 4,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.16 : 5,561.04 = 2,976.44 : x
  2. Step 2: Convert to fraction form
    3,715.16/5,561.04 = 2,976.44/x
  3. Step 3: Cross multiply
    3,715.16x = 5,561.04 × 2,976.44
  4. Step 4: Simplify right side
    3,715.16x = 16,552,101.90
  5. Step 5: Solve for x
    x = 16,552,101.90/3,715.16
  6. Step 6: Final answer
    x = 4,455.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.