Home / 3,230.35-4,836.40-2,057.45

Finding the Fourth Proportional to 3,230.35, 4,836.40 and 2,057.45

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Solution

The fourth proportional to 3,230.35, 4,836.40 and 2,057.45 is: 3,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.35 : 4,836.40 = 2,057.45 : x
  2. Step 2: Convert to fraction form
    3,230.35/4,836.40 = 2,057.45/x
  3. Step 3: Cross multiply
    3,230.35x = 4,836.40 × 2,057.45
  4. Step 4: Simplify right side
    3,230.35x = 9,950,621.85
  5. Step 5: Solve for x
    x = 9,950,621.85/3,230.35
  6. Step 6: Final answer
    x = 3,080.36

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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.