Home / 3,977.69-5,968.85-1,637.93

Finding the Fourth Proportional to 3,977.69, 5,968.85 and 1,637.93

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Solution

The fourth proportional to 3,977.69, 5,968.85 and 1,637.93 is: 2,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.69 : 5,968.85 = 1,637.93 : x
  2. Step 2: Convert to fraction form
    3,977.69/5,968.85 = 1,637.93/x
  3. Step 3: Cross multiply
    3,977.69x = 5,968.85 × 1,637.93
  4. Step 4: Simplify right side
    3,977.69x = 9,776,553.03
  5. Step 5: Solve for x
    x = 9,776,553.03/3,977.69
  6. Step 6: Final answer
    x = 2,457.85

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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.