Home / 3,182.57-4,771.38-1,515.84

Finding the Fourth Proportional to 3,182.57, 4,771.38 and 1,515.84

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Solution

The fourth proportional to 3,182.57, 4,771.38 and 1,515.84 is: 2,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.57 : 4,771.38 = 1,515.84 : x
  2. Step 2: Convert to fraction form
    3,182.57/4,771.38 = 1,515.84/x
  3. Step 3: Cross multiply
    3,182.57x = 4,771.38 × 1,515.84
  4. Step 4: Simplify right side
    3,182.57x = 7,232,648.66
  5. Step 5: Solve for x
    x = 7,232,648.66/3,182.57
  6. Step 6: Final answer
    x = 2,272.58

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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.