Home / 3,977.98-5,966.04-1,637.38

Finding the Fourth Proportional to 3,977.98, 5,966.04 and 1,637.38

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Solution

The fourth proportional to 3,977.98, 5,966.04 and 1,637.38 is: 2,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.98 : 5,966.04 = 1,637.38 : x
  2. Step 2: Convert to fraction form
    3,977.98/5,966.04 = 1,637.38/x
  3. Step 3: Cross multiply
    3,977.98x = 5,966.04 × 1,637.38
  4. Step 4: Simplify right side
    3,977.98x = 9,768,674.58
  5. Step 5: Solve for x
    x = 9,768,674.58/3,977.98
  6. Step 6: Final answer
    x = 2,455.69

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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.