Home / 3,776.49-5,664.33-1,311.12

Finding the Fourth Proportional to 3,776.49, 5,664.33 and 1,311.12

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Solution

The fourth proportional to 3,776.49, 5,664.33 and 1,311.12 is: 1,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.49 : 5,664.33 = 1,311.12 : x
  2. Step 2: Convert to fraction form
    3,776.49/5,664.33 = 1,311.12/x
  3. Step 3: Cross multiply
    3,776.49x = 5,664.33 × 1,311.12
  4. Step 4: Simplify right side
    3,776.49x = 7,426,616.35
  5. Step 5: Solve for x
    x = 7,426,616.35/3,776.49
  6. Step 6: Final answer
    x = 1,966.54

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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.