Home / 3,637.07-5,455.60-1,172.08

Finding the Fourth Proportional to 3,637.07, 5,455.60 and 1,172.08

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Solution

The fourth proportional to 3,637.07, 5,455.60 and 1,172.08 is: 1,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.07 : 5,455.60 = 1,172.08 : x
  2. Step 2: Convert to fraction form
    3,637.07/5,455.60 = 1,172.08/x
  3. Step 3: Cross multiply
    3,637.07x = 5,455.60 × 1,172.08
  4. Step 4: Simplify right side
    3,637.07x = 6,394,399.65
  5. Step 5: Solve for x
    x = 6,394,399.65/3,637.07
  6. Step 6: Final answer
    x = 1,758.12

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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.