Home / 3,119.04-4,305.68-2,057.43

Finding the Fourth Proportional to 3,119.04, 4,305.68 and 2,057.43

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Solution

The fourth proportional to 3,119.04, 4,305.68 and 2,057.43 is: 2,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.04 : 4,305.68 = 2,057.43 : x
  2. Step 2: Convert to fraction form
    3,119.04/4,305.68 = 2,057.43/x
  3. Step 3: Cross multiply
    3,119.04x = 4,305.68 × 2,057.43
  4. Step 4: Simplify right side
    3,119.04x = 8,858,635.20
  5. Step 5: Solve for x
    x = 8,858,635.20/3,119.04
  6. Step 6: Final answer
    x = 2,840.18

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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.