Home / 3,776.61-5,664.87-2,661.42

Finding the Fourth Proportional to 3,776.61, 5,664.87 and 2,661.42

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Solution

The fourth proportional to 3,776.61, 5,664.87 and 2,661.42 is: 3,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.61 : 5,664.87 = 2,661.42 : x
  2. Step 2: Convert to fraction form
    3,776.61/5,664.87 = 2,661.42/x
  3. Step 3: Cross multiply
    3,776.61x = 5,664.87 × 2,661.42
  4. Step 4: Simplify right side
    3,776.61x = 15,076,598.32
  5. Step 5: Solve for x
    x = 15,076,598.32/3,776.61
  6. Step 6: Final answer
    x = 3,992.10

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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.