Home / 3,380.76-4,665.59-1,964.43

Finding the Fourth Proportional to 3,380.76, 4,665.59 and 1,964.43

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Solution

The fourth proportional to 3,380.76, 4,665.59 and 1,964.43 is: 2,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.76 : 4,665.59 = 1,964.43 : x
  2. Step 2: Convert to fraction form
    3,380.76/4,665.59 = 1,964.43/x
  3. Step 3: Cross multiply
    3,380.76x = 4,665.59 × 1,964.43
  4. Step 4: Simplify right side
    3,380.76x = 9,165,224.96
  5. Step 5: Solve for x
    x = 9,165,224.96/3,380.76
  6. Step 6: Final answer
    x = 2,711.00

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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.