Home / 3,477.60-5,212.32-1,742.64

Finding the Fourth Proportional to 3,477.60, 5,212.32 and 1,742.64

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Solution

The fourth proportional to 3,477.60, 5,212.32 and 1,742.64 is: 2,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.60 : 5,212.32 = 1,742.64 : x
  2. Step 2: Convert to fraction form
    3,477.60/5,212.32 = 1,742.64/x
  3. Step 3: Cross multiply
    3,477.60x = 5,212.32 × 1,742.64
  4. Step 4: Simplify right side
    3,477.60x = 9,083,197.32
  5. Step 5: Solve for x
    x = 9,083,197.32/3,477.60
  6. Step 6: Final answer
    x = 2,611.92

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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.