Home / 3,412.30-5,114.70-3,135.52

Finding the Fourth Proportional to 3,412.30, 5,114.70 and 3,135.52

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Solution

The fourth proportional to 3,412.30, 5,114.70 and 3,135.52 is: 4,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.30 : 5,114.70 = 3,135.52 : x
  2. Step 2: Convert to fraction form
    3,412.30/5,114.70 = 3,135.52/x
  3. Step 3: Cross multiply
    3,412.30x = 5,114.70 × 3,135.52
  4. Step 4: Simplify right side
    3,412.30x = 16,037,244.14
  5. Step 5: Solve for x
    x = 16,037,244.14/3,412.30
  6. Step 6: Final answer
    x = 4,699.83

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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.