Home / 3,689.82-5,548.50-2,951.10

Finding the Fourth Proportional to 3,689.82, 5,548.50 and 2,951.10

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Solution

The fourth proportional to 3,689.82, 5,548.50 and 2,951.10 is: 4,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.82 : 5,548.50 = 2,951.10 : x
  2. Step 2: Convert to fraction form
    3,689.82/5,548.50 = 2,951.10/x
  3. Step 3: Cross multiply
    3,689.82x = 5,548.50 × 2,951.10
  4. Step 4: Simplify right side
    3,689.82x = 16,374,178.35
  5. Step 5: Solve for x
    x = 16,374,178.35/3,689.82
  6. Step 6: Final answer
    x = 4,437.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.