Home / 3,516.88-4,853.04-1,945

Finding the Fourth Proportional to 3,516.88, 4,853.04 and 1,945

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Solution

The fourth proportional to 3,516.88, 4,853.04 and 1,945 is: 2,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.88 : 4,853.04 = 1,945 : x
  2. Step 2: Convert to fraction form
    3,516.88/4,853.04 = 1,945/x
  3. Step 3: Cross multiply
    3,516.88x = 4,853.04 × 1,945
  4. Step 4: Simplify right side
    3,516.88x = 9,439,162.80
  5. Step 5: Solve for x
    x = 9,439,162.80/3,516.88
  6. Step 6: Final answer
    x = 2,683.96

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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.