Home / 3,135.60-4,704.99-1,491.84

Finding the Fourth Proportional to 3,135.60, 4,704.99 and 1,491.84

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Solution

The fourth proportional to 3,135.60, 4,704.99 and 1,491.84 is: 2,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.60 : 4,704.99 = 1,491.84 : x
  2. Step 2: Convert to fraction form
    3,135.60/4,704.99 = 1,491.84/x
  3. Step 3: Cross multiply
    3,135.60x = 4,704.99 × 1,491.84
  4. Step 4: Simplify right side
    3,135.60x = 7,019,092.28
  5. Step 5: Solve for x
    x = 7,019,092.28/3,135.60
  6. Step 6: Final answer
    x = 2,238.52

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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.