Home / 3,656.26-5,485.38-1,316.53

Finding the Fourth Proportional to 3,656.26, 5,485.38 and 1,316.53

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Solution

The fourth proportional to 3,656.26, 5,485.38 and 1,316.53 is: 1,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.26 : 5,485.38 = 1,316.53 : x
  2. Step 2: Convert to fraction form
    3,656.26/5,485.38 = 1,316.53/x
  3. Step 3: Cross multiply
    3,656.26x = 5,485.38 × 1,316.53
  4. Step 4: Simplify right side
    3,656.26x = 7,221,669.25
  5. Step 5: Solve for x
    x = 7,221,669.25/3,656.26
  6. Step 6: Final answer
    x = 1,975.15

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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.