Home / 3,180.02-4,770.43-1,619.48

Finding the Fourth Proportional to 3,180.02, 4,770.43 and 1,619.48

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Solution

The fourth proportional to 3,180.02, 4,770.43 and 1,619.48 is: 2,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.02 : 4,770.43 = 1,619.48 : x
  2. Step 2: Convert to fraction form
    3,180.02/4,770.43 = 1,619.48/x
  3. Step 3: Cross multiply
    3,180.02x = 4,770.43 × 1,619.48
  4. Step 4: Simplify right side
    3,180.02x = 7,725,623.85
  5. Step 5: Solve for x
    x = 7,725,623.85/3,180.02
  6. Step 6: Final answer
    x = 2,429.43

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1.5x scale

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.