Home / 3,029.80-4,544.70-2,665.30

Finding the Fourth Proportional to 3,029.80, 4,544.70 and 2,665.30

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Solution

The fourth proportional to 3,029.80, 4,544.70 and 2,665.30 is: 3,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.80 : 4,544.70 = 2,665.30 : x
  2. Step 2: Convert to fraction form
    3,029.80/4,544.70 = 2,665.30/x
  3. Step 3: Cross multiply
    3,029.80x = 4,544.70 × 2,665.30
  4. Step 4: Simplify right side
    3,029.80x = 12,112,988.91
  5. Step 5: Solve for x
    x = 12,112,988.91/3,029.80
  6. Step 6: Final answer
    x = 3,997.95

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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.