Home / 3,380.38-4,664.88-1,888.46

Finding the Fourth Proportional to 3,380.38, 4,664.88 and 1,888.46

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Solution

The fourth proportional to 3,380.38, 4,664.88 and 1,888.46 is: 2,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.38 : 4,664.88 = 1,888.46 : x
  2. Step 2: Convert to fraction form
    3,380.38/4,664.88 = 1,888.46/x
  3. Step 3: Cross multiply
    3,380.38x = 4,664.88 × 1,888.46
  4. Step 4: Simplify right side
    3,380.38x = 8,809,439.28
  5. Step 5: Solve for x
    x = 8,809,439.28/3,380.38
  6. Step 6: Final answer
    x = 2,606.05

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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.