Home / 3,261.40-4,895.70-3,049.90

Finding the Fourth Proportional to 3,261.40, 4,895.70 and 3,049.90

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Solution

The fourth proportional to 3,261.40, 4,895.70 and 3,049.90 is: 4,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.40 : 4,895.70 = 3,049.90 : x
  2. Step 2: Convert to fraction form
    3,261.40/4,895.70 = 3,049.90/x
  3. Step 3: Cross multiply
    3,261.40x = 4,895.70 × 3,049.90
  4. Step 4: Simplify right side
    3,261.40x = 14,931,395.43
  5. Step 5: Solve for x
    x = 14,931,395.43/3,261.40
  6. Step 6: Final answer
    x = 4,578.22

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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.