Home / 3,637.77-5,455.50-1,172.02

Finding the Fourth Proportional to 3,637.77, 5,455.50 and 1,172.02

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Solution

The fourth proportional to 3,637.77, 5,455.50 and 1,172.02 is: 1,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.77 : 5,455.50 = 1,172.02 : x
  2. Step 2: Convert to fraction form
    3,637.77/5,455.50 = 1,172.02/x
  3. Step 3: Cross multiply
    3,637.77x = 5,455.50 × 1,172.02
  4. Step 4: Simplify right side
    3,637.77x = 6,393,935.39
  5. Step 5: Solve for x
    x = 6,393,935.39/3,637.77
  6. Step 6: Final answer
    x = 1,757.65

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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.