Home / 3,029.87-4,179.74-2,631.02

Finding the Fourth Proportional to 3,029.87, 4,179.74 and 2,631.02

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Solution

The fourth proportional to 3,029.87, 4,179.74 and 2,631.02 is: 3,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.87 : 4,179.74 = 2,631.02 : x
  2. Step 2: Convert to fraction form
    3,029.87/4,179.74 = 2,631.02/x
  3. Step 3: Cross multiply
    3,029.87x = 4,179.74 × 2,631.02
  4. Step 4: Simplify right side
    3,029.87x = 10,996,945.48
  5. Step 5: Solve for x
    x = 10,996,945.48/3,029.87
  6. Step 6: Final answer
    x = 3,629.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.