Home / 3,160.98-4,743.81-1,518.48

Finding the Fourth Proportional to 3,160.98, 4,743.81 and 1,518.48

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Solution

The fourth proportional to 3,160.98, 4,743.81 and 1,518.48 is: 2,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.98 : 4,743.81 = 1,518.48 : x
  2. Step 2: Convert to fraction form
    3,160.98/4,743.81 = 1,518.48/x
  3. Step 3: Cross multiply
    3,160.98x = 4,743.81 × 1,518.48
  4. Step 4: Simplify right side
    3,160.98x = 7,203,380.61
  5. Step 5: Solve for x
    x = 7,203,380.61/3,160.98
  6. Step 6: Final answer
    x = 2,278.84

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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.