Home / 3,608.16-5,405.85-1,656.26

Finding the Fourth Proportional to 3,608.16, 5,405.85 and 1,656.26

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Solution

The fourth proportional to 3,608.16, 5,405.85 and 1,656.26 is: 2,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.16 : 5,405.85 = 1,656.26 : x
  2. Step 2: Convert to fraction form
    3,608.16/5,405.85 = 1,656.26/x
  3. Step 3: Cross multiply
    3,608.16x = 5,405.85 × 1,656.26
  4. Step 4: Simplify right side
    3,608.16x = 8,953,466.09
  5. Step 5: Solve for x
    x = 8,953,466.09/3,608.16
  6. Step 6: Final answer
    x = 2,481.45

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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.