Home / 3,180.70-4,766.42-1,535.32

Finding the Fourth Proportional to 3,180.70, 4,766.42 and 1,535.32

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Solution

The fourth proportional to 3,180.70, 4,766.42 and 1,535.32 is: 2,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.70 : 4,766.42 = 1,535.32 : x
  2. Step 2: Convert to fraction form
    3,180.70/4,766.42 = 1,535.32/x
  3. Step 3: Cross multiply
    3,180.70x = 4,766.42 × 1,535.32
  4. Step 4: Simplify right side
    3,180.70x = 7,317,979.95
  5. Step 5: Solve for x
    x = 7,317,979.95/3,180.70
  6. Step 6: Final answer
    x = 2,300.75

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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.