Home / 3,387.21-4,673.97-1,894.88

Finding the Fourth Proportional to 3,387.21, 4,673.97 and 1,894.88

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Solution

The fourth proportional to 3,387.21, 4,673.97 and 1,894.88 is: 2,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.21 : 4,673.97 = 1,894.88 : x
  2. Step 2: Convert to fraction form
    3,387.21/4,673.97 = 1,894.88/x
  3. Step 3: Cross multiply
    3,387.21x = 4,673.97 × 1,894.88
  4. Step 4: Simplify right side
    3,387.21x = 8,856,612.27
  5. Step 5: Solve for x
    x = 8,856,612.27/3,387.21
  6. Step 6: Final answer
    x = 2,614.72

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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.