Home / 3,135.61-4,699.62-1,747.47

Finding the Fourth Proportional to 3,135.61, 4,699.62 and 1,747.47

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Solution

The fourth proportional to 3,135.61, 4,699.62 and 1,747.47 is: 2,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.61 : 4,699.62 = 1,747.47 : x
  2. Step 2: Convert to fraction form
    3,135.61/4,699.62 = 1,747.47/x
  3. Step 3: Cross multiply
    3,135.61x = 4,699.62 × 1,747.47
  4. Step 4: Simplify right side
    3,135.61x = 8,212,462.58
  5. Step 5: Solve for x
    x = 8,212,462.58/3,135.61
  6. Step 6: Final answer
    x = 2,619.09

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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.