Home / 3,381.21-4,660.74-2,384.91

Finding the Fourth Proportional to 3,381.21, 4,660.74 and 2,384.91

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Solution

The fourth proportional to 3,381.21, 4,660.74 and 2,384.91 is: 3,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.21 : 4,660.74 = 2,384.91 : x
  2. Step 2: Convert to fraction form
    3,381.21/4,660.74 = 2,384.91/x
  3. Step 3: Cross multiply
    3,381.21x = 4,660.74 × 2,384.91
  4. Step 4: Simplify right side
    3,381.21x = 11,115,445.43
  5. Step 5: Solve for x
    x = 11,115,445.43/3,381.21
  6. Step 6: Final answer
    x = 3,287.42

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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.