Home / 2,381.41-3,286.35-1,304.68

Finding the Fourth Proportional to 2,381.41, 3,286.35 and 1,304.68

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Solution

The fourth proportional to 2,381.41, 3,286.35 and 1,304.68 is: 1,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.41 : 3,286.35 = 1,304.68 : x
  2. Step 2: Convert to fraction form
    2,381.41/3,286.35 = 1,304.68/x
  3. Step 3: Cross multiply
    2,381.41x = 3,286.35 × 1,304.68
  4. Step 4: Simplify right side
    2,381.41x = 4,287,635.12
  5. Step 5: Solve for x
    x = 4,287,635.12/2,381.41
  6. Step 6: Final answer
    x = 1,800.46

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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.