Home / 3,387.84-4,676.82-2,548.86

Finding the Fourth Proportional to 3,387.84, 4,676.82 and 2,548.86

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Solution

The fourth proportional to 3,387.84, 4,676.82 and 2,548.86 is: 3,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.84 : 4,676.82 = 2,548.86 : x
  2. Step 2: Convert to fraction form
    3,387.84/4,676.82 = 2,548.86/x
  3. Step 3: Cross multiply
    3,387.84x = 4,676.82 × 2,548.86
  4. Step 4: Simplify right side
    3,387.84x = 11,920,559.43
  5. Step 5: Solve for x
    x = 11,920,559.43/3,387.84
  6. Step 6: Final answer
    x = 3,518.63

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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.