Home / 3,369.60-5,051.36-1,725.30

Finding the Fourth Proportional to 3,369.60, 5,051.36 and 1,725.30

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Solution

The fourth proportional to 3,369.60, 5,051.36 and 1,725.30 is: 2,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.60 : 5,051.36 = 1,725.30 : x
  2. Step 2: Convert to fraction form
    3,369.60/5,051.36 = 1,725.30/x
  3. Step 3: Cross multiply
    3,369.60x = 5,051.36 × 1,725.30
  4. Step 4: Simplify right side
    3,369.60x = 8,715,115.72
  5. Step 5: Solve for x
    x = 8,715,115.72/3,369.60
  6. Step 6: Final answer
    x = 2,586.39

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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.