Home / 3,637.38-5,456.08-1,172.38

Finding the Fourth Proportional to 3,637.38, 5,456.08 and 1,172.38

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Solution

The fourth proportional to 3,637.38, 5,456.08 and 1,172.38 is: 1,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.38 : 5,456.08 = 1,172.38 : x
  2. Step 2: Convert to fraction form
    3,637.38/5,456.08 = 1,172.38/x
  3. Step 3: Cross multiply
    3,637.38x = 5,456.08 × 1,172.38
  4. Step 4: Simplify right side
    3,637.38x = 6,396,599.07
  5. Step 5: Solve for x
    x = 6,396,599.07/3,637.38
  6. Step 6: Final answer
    x = 1,758.57

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1.5x scale

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.