Home / 3,656.57-5,485.43-1,577.16

Finding the Fourth Proportional to 3,656.57, 5,485.43 and 1,577.16

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Solution

The fourth proportional to 3,656.57, 5,485.43 and 1,577.16 is: 2,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.57 : 5,485.43 = 1,577.16 : x
  2. Step 2: Convert to fraction form
    3,656.57/5,485.43 = 1,577.16/x
  3. Step 3: Cross multiply
    3,656.57x = 5,485.43 × 1,577.16
  4. Step 4: Simplify right side
    3,656.57x = 8,651,392.89
  5. Step 5: Solve for x
    x = 8,651,392.89/3,656.57
  6. Step 6: Final answer
    x = 2,365.99

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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.